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APPENDIX D
ACS Multiyear Profiles
207
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208 A Guidebook for Using American Community Survey Data for Transportation Planning
MYP: 2004 Multiyear Profile
Data Set: 2004 American Community Survey
Geographic Area: Alameda County, California
NOTE. Data are limited to the household population and exclude the population living in institutions, college dormitories, and other group quarters. For
information on confidentiality protection, sampling error, nonsampling error, and definitions, see Survey Methodology.
An * indicates that the estimate is significantly different (at a 90 percent confidence level) than the estimate from the most current year. A `c' indicates the
estimates for that year and the current year are both controlled; a statistical test is not appropriate.
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
General Demographic Characteristics Distribution Distribution Distribution Distribution Distribution
Total population 1,427,827 1,433,586 c 1,444,656 c 1,430,686 c 1,416,006 c
SEX AND AGE
Male 48.8% 49.3% * 49.0% 49.2% * 49.2% *
Female 51.2% 50.7% * 51.0% 50.8% * 50.8% *
Under 5 years 7.3% 7.1% * 7 .2% * 7.3% 6.9% *
5 to 9 years 6.8% 6.6% 7.5% 7.0% 7.4%
10 to 14 years 7.2% 7.2% 6.7% 7.8% 6.8%
15 to 19 years 6.2% 6.1% 5.9% 6.0% 6.4%
20 to 24 years 5.8% 6.3% * 6 .6% * 6.9% * 6.7% *
25 to 34 years 14.9% 15.6% * 16.2% * 15.8% * 16.7% *
35 to 44 years 16.8% 16.8% 17.0% 17.1% * 17.4% *
45 to 54 years 14.9% 14.9% 14.4% * 14.2% * 13.9% *
55 to 59 years 5.5% 6.2% * 5.1% 5.0% * 4.2% *
60 to 64 years 4.4% 3.2% * 3 .5% * 3.2% * 3.6% *
65 to 74 years 5.3% 5.2% 5.0% * 5.1% * 5.4%
75 to 84 years 3.7% 3.7% 3.7% 3.5% 3.2% *
85 years and over 1.1% 1.0% 1.1% 1.1% 1.3%
Median age (years) 36.0 35.6 * 34.9 * 34.4 * 34.3 *
18 years and over 74.7% 75.2% * 74.9% * 74.0% * 75.1% *
21 years and over 71.1% 71.9% * 71.5% 70.6% 71.1%
62 years and over 12.6% 11.6% * 11.7% * 11.5% * 11.7% *
65 years and over 10.1% 9.9% * 9 .9% * 9.7% * 9.9% *
18 years and over 1,066,403 1,078,445 * 1,081,545 * 1,059,253 * 1,062,830 *
Male 48.4% 48.6% 48.3% 48.5% 48.5%
Female 51.6% 51.4% * 51.7% 51.5% 51.5%
65 years and over 143,811 141,344 * 142,465 139,294 * 139,646 *
Male 42.0% 42.1% 41.8% 42.0% 41.9%
Female 58.0% 57.9% 58.2% 58.0% 58.1%
Figure D.1. Example of an ACS Multiyear Profile, general characteristics.
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ACS Multiyear Profiles 209
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
General Demographic Characteristics Distribution Distribution Distribution Distribution Distribution
RACE
One race 1,369,719 1,386,407 * 1,367,922 1,353,040 1,352,226
Two or more races 58,108 47,179 76,734 * 77,646 * 63,780
Total population 1,427,827 1,433,586 c 1,444,656 c 1,430,686 c 1,416,006 c
One race 95.9% 96.7% 94.7% * 94.6% * 95.5%
White 48.8% 52.0% * 51.1% * 48.7% 51.6% *
Black or African American 13.8% 13.8% 14.3% 15.4% * 14.9% *
American Indian and Alaska Native 0.5% 0.5% 0.5% 0.6% 0.7%
Cherokee tribal grouping N N N N N
Chippewa tribal grouping N N N N N
Navajo tribal grouping N N N N N
Sioux tribal grouping N N N N N
Asian 25.2% 24.2% * 24.0% * 22.5% * 22.2% *
Asian Indian 13.6% 19.9% * 15.8% 18.1% 13.4%
Chinese, except Taiwanese 37.2% 32.6% 34.4% 33.2% 44.7%
Filipino 24.2% 20.4% 24.5% 22.5% 24.4%
Japanese 4.4% 4.0% 4.8% 3.0% 4.3%
Korean 2.8% 5.4% * 3.8% 6.3% * 3.5%
Vietnamese 8.3% 9.9% 9.0% 9.0% 4.0% *
Other Asian 9.4% 7.8% 7.8% 7.9% 5.7%
Native Hawaiian and Other Pacific Islander 0.8% 0.6% * 0.7% 0.5% * 0.7%
Native Hawaiian 26.1% 5.5% * N N 9.7%
Guamanian or Chamorro 12.9% 0.0% N N 5.4%
Samoan 12.7% 20.6% N N 13.6%
Other Pacific Islander 48.3% 73.8% N N 71.3%
Some other race 10.9% 8.9% * 9.4% 12.3% 10.0%
Two or more races 4.1% 3.3% 5.3% * 5.4% * 4.5%
White and Black or African American 15.1% 23.1% 19.4% 8.0% 15.5%
White and American Indian and Alaska Native 8.1% 11.3% 15.0% 10.0% 7.6%
White and Asian 40.9% 29.5% 18.1% * 26.7% 20.1% *
Black or African American and American Indian
4.8% 3.5% 4.0% 0.7% * 5.2%
and Alaska Native
Race alone or in combination with one or more races:
Total population 1,427,827 1,433,586 c 1,444,656 c1 ,430,686 c 1,416,006 c
White 50.4% 52.9% * 52.5% * 50.3% 52.8% *
Black or African American 14.3% 14.8% 15.3% * 15.8% * 15.8% *
American Indian and Alaska Native 1.2% 1.2% 1.5% 1.5% 1.5%
Asian 26.1% 24.8% * 24.4% * 23.6% * 22.8% *
Native Hawaiian and Other Pacific Islander 1.0% 0.8% 1.3% 1.0% 1.1%
Some other race 11.2% 9.0% * 10.6% 13.7% * 11.1%
Figure D.1. (Continued).
(continued on next page)
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210 A Guidebook for Using American Community Survey Data for Transportation Planning
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
General Demographic Characteristics Distribution Distribution Distribution Distribution Distribution
HISPANIC ORIGIN AND RACE
Total population 1,427,827 1,433,586 c 1,444,656 c 1,430,686 c 1,416,006 c
Hispanic or Latino (of any race) 20.6% 20.3% c 20.2% c 19.7% c 19.1% c
Mexican 15.1% 16.0% 16.0% 14.9% 13.6%
Puerto Rican 0.5% 0.2% * 0.6% 0.6% 1.1% *
Cuban 0.1% 0.4% 0.2% 0.2% 0.1%
Other Hispanic or Latino 4.9% 3.7% 3.5% * 4.0% 4.3%
Not Hispanic or Latino 79.4% 79.7% c 79.8% c 80.3% c 80.9% c
White alone 38.4% 38.9% * 39.1% * 40.3% * 41.4% *
Black or African American alone 12.9% 13.1% 13.2% 14.3% * 14.1% *
American Indian and Alaska Native alone 0.3% 0.4% 0.2% 0.3% 0.5%
Asian alone 24.0% 23.4% 22.6% * 21.1% * 20.9% *
Native Hawaiian and Other Pacific Islander alone 0.8% 0.5% * 0.6% * 0.4% * 0.6%
Some other race alone 0.3% 0.8% * 0.5% 0.4% 0.4%
Two or more races: 2.7% 2.4% 3.6% 3.4% 3.0%
Two races, including Some other race 0.1% 0.1% 0.3% * 0.3% * 0.3% *
Two races, excluding Some other race, and
2.7% 2.3% 3.2% 3.1% 2.7%
Three or more races
RELATIONSHIP
Household population 1,427,827 1,433,586 c 1,444,656 c 1,430,686 c 1,416,006 c
Householder 38.8% 37.9% 38.8% 38.4% 37.4% *
Spouse 18.2% 18.0% 17.4% 16.6% * 16.7% *
Child 29.6% 28.6% 28.8% 29.4% 28.8%
Other relatives 7.8% 8.7% 8.2% 8.1% 9.3% *
Nonrelatives 5.6% 6.8% * 6.9% * 7.5% * 7.8% *
Unmarried partner 2.0% 2.3% 2.5% 2.0% 2.4%
HOUSEHOLDS BY TYPE
Total households 509,301 518,471 * 518,114 521,994 * 514,705
Family households (families) 63.9% 64.6% 64.6% 62.5% 63.1%
With own children under 18 years 32.5% 32.1% 31.8% 31.1% 32.6%
Married-couple families 46.7% 47.5% 45.2% 43.9% 43.9%
With own children under 18 years 24.7% 23.5% 20.9% * 20.9% * 23.1%
Female householder, no husband present 12.5% 12.0% 14.1% 13.0% 13.1%
With own children under 18 years 5.9% 7.0% 8.8% * 7.4% 7.1%
Nonfamily households 36.1% 35.4% 35.4% 37.5% 36.9%
Householder living alone 28.3% 26.0% 26.1% 28.4% 27.6%
65 years and over 7.2% 6.9% 7.2% 8.2% 8.0%
Households with one or more people under 18
36.2% 35.7% 35.7% 35.2% 36.9%
years
Households with one or more people 65 years
20.0% 19.3% 19.1% 19.9% 21.4% *
and over
Figure D.1. (Continued).
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ACS Multiyear Profiles 211
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
General Demographic Characteristics Distribution Distribution Distribution Distribution Distribution
Average household size 2.80 2.77 2.79 2.74 * 2.75
Average family size 3.54 3.42 * 3.43 3.43 3.41 *
Source: U.S. Census Bureau, 2004 American Community Survey.
Estimates from two years are "significantly different" if their difference is large enough to infer that there was a less than 10 percent chance that the difference came entirely from random variation.
Notes:
· The number of householders does not necessarily equal the number of households because of differences in the weighting schemes for the population and occupied housing units.
·For more information on understanding race and Hispanic origin data, please see the Census 2000 Brief entitled, Overview of Race and Hispanic Origin., issued March 2001 (pdf format)
Explanation of Symbols:
1. An `-' entry in an Estimate column indicates that no sample observations were available to compute an estimate.
2. An `-' following a median estimate means the median falls in the lowest interval of an open-ended distribution.
3. An `+' following a median estimate means the median falls in the upper interval of an open-ended distribution.
4. An `N' entry in an Estimate column indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.
Figure D.1. (Continued).
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212 A Guidebook for Using American Community Survey Data for Transportation Planning
MYP: 2004 Multiyear Profile
Data Set: 2004 American Community Survey
Geographic Area: Alameda County, California
NOTE. Data are limited to the household population and exclude the population living in institutions, college dormitories, and other group quarters. For
information on confidentiality protection, sampling error, nonsampling error, and definitions, see Survey Methodology.
An * indicates that the estimate is significantly different (at a 90% confidence level) than the estimate from the most current year. A `c' indicates the estimates for
that year and the current year are both controlled; a statistical test is not appropriate.
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Social Characteristics Distribution Distribution Distribution Distribution Distribution
SCHOOL ENROLLMENT
Population 3 years and over enrolled in school 405,753 401,108 418,626 418,096 411,396
Nursery school, preschool 6.0% 6.3% 6.7% 5.4% 6.6%
Kindergarten 4.9% 4.2% 5.3% 4.2% 5.5%
Elementary school (grades 1-8) 39.9% 39.1% 38.1% * 43.3% * 38.2%
High school (grades 9-12) 20.2% 20.7% 18.5% 17.3% * 18.3% *
College or graduate school 29.0% 29.7% 31.3% 29.8% 31.3%
EDUCATIONAL ATTAINMENT
Population 25 years and over 950,129 954,685 * 954,906 * 930,226 * 931,578 *
Less than 9th grade 7.1% 7.4% 6.5% 6.3% 7.0%
9th to 12th grade, no diploma 7.2% 6.7% 9.9% * 11.4% * 8.3%
High school graduate (including equivalency) 19.6% 21.1% 18.1% 18.4% 19.9%
Some college, no degree 19.7% 19.7% 19.6% 20.9% 21.4%
Associate degree 6.6% 5.8% 6.3% 7.0% 6.8%
Bachelor's degree 24.5% 23.7% 24.4% 21.0% * 21.9% *
Graduate or professional degree 15.4% 15.6% 15.2% 15.1% 14.6%
Percent high school graduate or higher 85.6 85.9 83.6 * 82.4 * 84.6
Percent bachelor's degree or higher 39.8 39.3 39.6 36.1 * 36.5 *
MARITAL STATUS
Males 15 years and over 544,244 551,916 * 549,489 * 542,138 543,530
Never married 34.2% 36.4% 36.0% 36.5% 37.7% *
Now married, except separated 53.5% 53.4% 52.1% 49.0% * 49.0% *
Separated 1.8% 1.4% 1.6% 1.7% 2.3%
Widowed 2.0% 1.9% 1.8% 2.9% * 2.5%
Divorced 8.5% 7.0% * 8.4% 9.9% 8.4%
Figure D.2. Example of an ACS Multiyear Profile, social characteristics.
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ACS Multiyear Profiles 213
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Social Characteristics Distribution Distribution Distribution Distribution Distribution
Females 15 years and over 577,912 581,186 * 586,593 * 572,669 * 573,408 *
Never married 29.1% 28.4% 29.0% 30.4% 28.6%
Now married, except separated 48.4% 49.6% 47.0% 46.6% 45.8%
Separated 2.3% 2.5% 3.1% 2.5% 2.8%
Widowed 8.8% 8.2% 7.7% 8.1% 9.6%
Divorced 11.5% 11.3% 13.1% 12.4% 13.2%
FERTILITY
Number of women 15 to 50 years old who had a
19,873 20,289 23,226 24,615 20,532
birth in the past 12 months
Unmarried women (widowed, divorced, and never
15.5% 23.0% 25.3% 29.7% * 9.0%
married)
Per 1,000 unmarried women 16 25 29 36 * 9
Per 1,000 women 15 to 50 years old 53 52 58 63 52
Per 1,000 women 15 to 19 years old 0 13 5 22 5
Per 1,000 women 20 to 34 years old 105 110 101 87 83
Per 1,000 women 35 to 50 years old 24 13 33 51 * 35
GRANDPARENTS
Number of grandparents living with own
37,965 40,314 34,278 34,780 36,733
grandchildren under 18 years in households
Responsible for grandchildren 28.0% 22.5% 28.9% 37.7% 24.5%
Years responsible for grandchildren
Less than 1 year 4.1% 3.0% 4.4% 5.3% 7.0%
1 or 2 years 1.0% 7.1% 2.5% 11.5% * 9.5% *
3 or 4 years 6.7% 5.7% 4.6% 3.2% 1.8% *
5 or more years 16.0% 6.8% * 17.4% 17.8% 6.3% *
Characteristics of grandparents responsible for own grandchildren under 18 years
Who are female 65.0 60.0 56.9 47.5 * 66.7
Who are married 58.0 80.7 * 68.1 74.5 63.5
Who are in labor force 47.3 71.9 * 52.5 67.8 * 55.4
Who are in poverty 22.2 10.5 5.6* 14.0 15.0
VETERAN STATUS
Civilian population 18 years and over 1,065,205 1,078,063 * 1,080,288 * 1,057,327 * 1,062,639 *
Civilian veterans 80,159 76,031 98,344 * 93,657 * 105,363 *
DISABILITY STATUS of the civilian noninstitutionalized population
Population 5 years and over 1,321,819 1,331,067 * N N N
With a disability 12.6% 11.0% * N N N
Population 5 to 15 years 223,737 216,400 * N N N
With a disability 5.5% 5.2% N N N
Figure D.2. (Continued).
(continued on next page)
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214 A Guidebook for Using American Community Survey Data for Transportation Planning
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Social Characteristics Distribution Distribution Distribution Distribution Distribution
Population 16 to 64 years 954,271 973,323 * N N N
With a disability 10.5% 8.1% * N N N
Population 65 years and over 143,811 141,344 * N N N
With a disability 37.6% 39.5% N N N
RESIDENCE 1 YEAR AGO
Population 1 year and over 1,405,378 1,413,191 * 1,423,906 * 1,406,322 1,397,934 *
Same house 81.7% 83.3% 86.8% * 84.4% * 84.9% *
Different house in the U.S. 17.1% 15.3% 12.5% * 14.1% * 14.0% *
Same county 11.9% 11.1% 7.9% * 9.6% * 8.1% *
Different county 5.3% 4.2% 4.6% 4.5% 5.9%
Same state 4.1% 3.3% 3.3% 3.0% 3.9%
Different state 1.2% 0.9% 1.3% 1.5% 2.0% *
Abroad 1.1% 1.4% 0.7% 1.5% 1.1%
PLACE OF BIRTH
Total population 1,427,827 1,433,586 c 1,444,656 c 1,430,686 c 1,416,006 c
Native 70.1% 69.5% 70.6% 71.4% 72.8% *
Born in United States 68.7% 68.6% 69.2% 70.3% 71.7% *
State of residence 48.8% 47.1% 49.1% 48.8% 47.8%
Different state 19.9% 21.5% * 20.1% 21.6% * 23.9% *
Born in Puerto Rico, U.S. Island areas, or born
1.4% 0.9% * 1.4% 1.1% 1.1%
abroad to American parent(s)
Foreign born 29.9% 30.5% 29.4% 28.6% 27.2% *
U.S. CITIZENSHIP STATUS
Foreign-born population 427,416 436,863 425,313 408,472 385,337 *
Naturalized U.S. citizen 48.9% 43.3% * 48.6% 43.0% * 41.1% *
Not a U.S. citizen 51.1% 56.7% * 51.4% 57.0% * 58.9% *
YEAR OF U.S. ENTRY
Population born outside the United States 447,613 450,330 445,660 424,332 400,578 *
Native 4.5% 3.0% * 4.6% 3.7% 3.8%
Foreign Born 95.5% 97.0% 95.4% 96.3% 96.2%
Native 20,197 13,467 * 20,347 15,860 15,241
Entered U.S. 2000 or later 11.7% 7.4% 5.6% 0.0% * 0.0% *
Entered U.S. before 2000 88.3% 92.6% 94.4% 100.0% 100.0%
Foreign Born 427,416 436,863 425,313 408,472 385,337 *
Entered U.S. 2000 or later 17.0% 16.5% 8.0% * 6.2% * 2.1% *
Entered U.S. before 2000 83.0% 83.5% 92.0% * 93.8% * 97.9% *
Figure D.2. (Continued).
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ACS Multiyear Profiles 215
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Social Characteristics Distribution Distribution Distribution Distribution Distribution
WORLD REGION OF BIRTH OF FOREIGN BORN
Foreign-born population excluding population
427,416 436,863 425,313 408,472 385,337 *
born "At sea"
Europe 7.2% 6.5% 8.8% 7.8% 8.8%
Asia 55.5% 53.4% * 54.5% 56.0% 56.4%
Africa 2.6% 2.7% 2.7% 3.4% 3.5%
Oceania 1.1% 1.5% 1.1% 2.6% * 1.6%
Latin America 32.3% 34.5% 31.9% 28.7% 29.0%
Northern America 1.1% 1.3% 1.0% 1.5% 0.7%
LANGUAGE SPOKEN AT HOME
Population 5 years and over 1,323,017 1,331,449 * 1,340,852 * 1,325,838 * 1,318,496 *
English only 59.5% 60.2% 62.4% * 62.9% * 63.3% *
Language other than English 40.5% 39.8% 37.6% * 37.1% * 36.7% *
Speak English less than "very well" 19.0% 19.1% 17.1% 16.2% * 17.0%
Spanish 15.5% 16.0% 14.9% 14.1% 13.6% *
Speak English less than "very well" 8.7% 9.4% 7.6% 6.8% * 7.0% *
Other Indo-European languages 5.7% 6.9% 6.6% 6.4% 6.5%
Speak English less than "very well" 1.5% 2.1% 1.7% 1.4% 2.0%
Asian and Pacific Islander languages 18.0% 16.0% * 15.2% * 15.3% * 15.4% *
Speak English less than "very well" 8.3% 7.1% 7.4% 7.7% 7.7%
Other languages 1.4% 1.0% 0.9% 1.3% 1.2%
Speak English less than "very well" 0.4% 0.5% 0.4% 0.3% 0.4%
ANCESTRY (TOTAL REPORTED)
Total Population 1,427,827 1,433,586 c 1,444,656 c 1,430,686 c 1,416,006 c
American 1.6% 1.0% * 1.9% 1.8% 1.5%
Arab 0.9% 0.4% 0.6% 0.9% 0.9%
Czech 0.2% 0.5% * 0.4% 0.3% 0.2%
Danish 0.7% 0.6% 0.7% 0.5% 0.6%
Dutch 0.5% 1.3% * 1.2% * 1.0% * 1.2% *
English 6.7% 6.6% 6.7% 7.1% 6.5%
French (except Basque) 2.3% 1.9% 2.5% 2.2% 2.4%
French Canadian 0.3% 0.5% 0.3% 0.3% 0.3%
German 8.8% 8.8% 8.8% 8.5% 8.8%
Greek 0.7% 0.7% 0.3% 0.2% 0.4%
Hungarian 0.2% 0.2% 0.3% 0.3% 0.3%
Irish 7.0% 5.9% * 6.7% 7.8% 7.2%
Italian 4.8% 4.6% 4.4% 4.6% 4.2%
Lithuanian 0.2% 0.3% 0.2% 0.2% 0.2%
Norwegian 1.5% 1.2% 1.2% 1.3% 1.3%
Polish 1.7% 1.5% 1.4% 1.2% 1.6%
Portuguese 2.2% 2.3% 2.5% 2.8% 3.1%
Figure D.2. (Continued).
(continued on next page)
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216 A Guidebook for Using American Community Survey Data for Transportation Planning
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Social Characteristics Distribution Distribution Distribution Distribution Distribution
Russian 1.1% 1.2% 1.5% 1.1% 1.2%
Scotch-Irish 1.6% 1.2% 1.4% 1.2% 1.0%
Scottish 1.4% 1.8% 1.7% 1.4% 1.5%
Slovak 0.1% 0.1% 0.1% 0.1% 0.1%
Sub-Saharan African 1.2% 2.1% * 1.6% 2.3% * 1.6%
Swedish 1.2% 1.3% 1.4% 0.9% 1.5%
Swiss 0.3% 0.1% 0.4% 0.4% 0.3%
Ukrainian 0.2% 0.1% 0.1% 0.2% 0.3%
Welsh 0.5% 0.4% 0.5% 0.9% * 0.5%
West Indian (excluding Hispanic origin groups) 0.2% 0.4% 0.2% 0.1% 0.2%
Source: U.S. Census Bureau, 2004 American Community Survey.
Estimates from two years are "significantly different" if their difference is large enough to infer that there was a less than 10 percent chance that the difference came entirely from random variation.
Notes:
Ancestry listed in this table refers to the total number of people who responded with a particular ancestry; for example, the estimate given for Russian represents the number of people who listed
Russian as either their first or second ancestry. This table lists only the largest ancestry groups; see the Detailed Tables for more categories. Race and Hispanic origin groups are not included in this
table because official data for those groups come from the Race and Hispanic origin questions rather than the ancestry question (see Demographic Table).
The Census Bureau introduced a new skip pattern for the disability questions in the 2003 ACS questionnaire. This change mainly affected two individual items go-outside-home disability and
employment disability and the recode for disability status, which includes the two items. Accordingly, comparisons of data from 2003 or later with data from prior years are not recommended for the
relevant questions. For more information, see the ACS Subject Definitions for Disability.
Data for year of entry of the native population reflect the year of entry into the U.S. by people who were born in Puerto Rico, U.S. Island Areas or born outside the U.S. to a U.S. citizen parent and
who subsequently moved to the United States.
Explanation of Symbols:
1. An `-' entry in an Estimate column indicates that no sample observations were available to compute an estimate.
2. An `-' following a median estimate means the median falls in the lowest interval of an open-ended distribution.
3. An `+' following a median estimate means the median falls in the upper interval of an open-ended distribution.
4. An `N' entry in an Estimate column indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.
Figure D.2. (Continued).
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ACS Multiyear Profiles 217
MYP: 2004 Multiyear Profile
Data Set: 2004 American Community Survey
Geographic Area: Alameda County, California
NOTE. Data are limited to the household population and exclude the population living in institutions, college dormitories, and other group quarters. For
information on confidentiality protection, sampling error, nonsampling error, and definitions, see Survey Methodology.
An * indicates that the estimate is significantly different (at a 90% confidence level) than the estimate from the most current year. A `c' indicates the estimates
for that year and the current year are both controlled; a statistical test is not appropriate.
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Economic Characteristics Distribution Distribution Distribution Distribution Distribution
EMPLOYMENT STATUS
Population 16 years and over 1,099,280 1,115,049 * 1,118,277 * 1,096,458 1,097,658
In labor force 68.0% 69.1% 69.7% * 69.4% 68.3%
Civilian labor force 67.9% 69.0% 69.6% * 69.3% 68.3%
Employed 61.9% 63.0% 63.7% 64.5% * 65.0% *
Unemployed 5.9% 6.1% 5.9% 4.8% * 3.3% *
Armed Forces 0.1% 0.1% 0.1% 0.2% 0.1%
Not in labor force 32.0% 30.9% 30.3% 30.6% 31.7%
Civilian labor force 745,991 769,865 * 778,112 * 759,397 749,692
Unemployed 8.8 8.8 8.5 6.9 * 4.9 *
Females 16 years and over 563,539 573,051 * 578,556 * 563,860 563,407
In labor force 61.0% 62.3% 61.8% 62.7% 61.9%
Civilian labor force 61.0% 62.3% 61.8% 62.6% 61.9%
Employed 55.3% 57.2% 56.4% 57.7% 58.9% *
Own children under 6 years 117,859 112,550 124,359 109,314 * 110,263 *
All parents in family in labor force 55.4% 58.8% 55.8% 58.7% 63.3%
Own children 6 to 17 years 222,143 225,984 221,866 229,416 215,305
All parents in family in labor force 65.8% 66.2% 68.3% 69.8% 71.4%
Population 16 to 19 years 65,996 69,688 68,098 67,520 70,762
Not enrolled in school and not a H.S. graduate 3.8% 3.6% 6.5% 8.1% 7.0%
Unemployed or not in the labor force 1.4% 2.0% 2.4% 3.5% 2.5%
Figure D.3. Example of an ACS multiyear profile, economic characteristics.
(continued on next page)
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218 A Guidebook for Using American Community Survey Data for Transportation Planning
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Economic Characteristics Distribution Distribution Distribution Distribution Distribution
COMMUTING TO WORK
Workers 16 years and over 657,500 684,239 * 693,844 * 686,246 * 688,889 *
Car, truck, or van drove alone 67.5% 66.7% 68.8% 66.9% 66.2%
Car, truck, or van carpooled 10.8% 11.7% 12.5% 12.2% 12.7%
Public transportation (excluding taxicab) 12.2% 11.2% 9.9% * 11.9% 12.3%
Walked 2.3% 3.5% * 3.5% * 2 .5% 2.7%
Other means 2.9% 2.7% 1.9% * 2.4% 2.8%
Worked at home 4.3% 4.2% 3.4% 4.0% 3.3%
Mean travel time to work (minutes) 27.5 27.2 28.3 28.5 29.9 *
Employed civilian population 16 years and over 680,607 702,213 * 712,222 * 707,265 * 712,960 *
OCCUPATION
Management, professional, and related
43.8% 44.2% 45.0% 42.6% 40.9% *
occupations
Service occupations 12.5% 13.0% 12.2% 11.1% 13.7%
Sales and office occupations 25.0% 25.1% 25.3% 26.3% 24.7%
Farming, fishing, and forestry occupations 0.1% 0.1% 0.0% 0.1% 0.1%
Construction, extraction, maintenance and repair
7.7% 7.4% 7.5% 8.5% 7.3%
occupations
Production, transportation, and material moving
10.9% 10.2% 9.9% 11.4% 13.1% *
occupations
INDUSTRY
Agriculture, forestry, fishing and hunting, and
0.1% 0.3% 0.1% 0.2% 0.2%
mining
Construction 6.3% 6.1% 5.3% 5.9% 4.5% *
Manufacturing 11.5% 10.5% 14.1% * 14.5% * 14.1% *
Wholesale trade 4.6% 3.8% 3.6% 3.7% 4.0%
Retail trade 9.6% 10.7% 12.1% * 11.5% * 10.5%
Transportation and warehousing, and utilities 5.2% 4.3% 5.6% 6.9% * 6.2%
Information 3.3% 4.0% 4.2% 4.2% 5.3% *
Finance and insurance, and real estate and rental
7.3% 8.1% 4.5% * 5 .7% * 7.5%
and leasing
Professional, scientific, and management, and
15.4% 14.8% 15.8% 15.1% 14.2%
administrative and waste management services
Educational services, and health care, and social
20.4% 21.5% 19.8% 18.3% * 17.8% *
assistance
Figure D.3. (Continued).
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ACS Multiyear Profiles 219
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Economic Characteristics Distribution Distribution Distribution Distribution Distribution
Arts, entertainment, and recreation, and
7.5% 7.5% 7.5% 6.3% 7.8%
accommodation, and food services
Other services, except public administration 4.9% 4.1% 4.6% 4.4% 3.8%
Public administration 3.7% 4.2% 2.9% 3.4% 4.0%
CLASS OF WORKER
Private wage and salary workers 76.9% 74.9% 78.4% 79.2% * 78.1%
Government workers 15.0% 15.8% 14.1% 13.5% 14.6%
Self-employed workers in own not incorporated
7.7% 9.1% 7.3% 7.1% 7.2%
business
Unpaid family workers 0.4% 0.2% 0.2% 0.2% 0.2%
INCOME AND BENEFITS (IN 2004 INFLATION-ADJUSTED DOLLARS)
Total households 509,301 518,471 * 518,114 521,994 * 514,705
Less than $10,000 8.1% 6.8% 6.6% 6.6% 7.2%
$10,000 to $14,999 3.7% 3.9% 3.7% 4.5% 4.6%
$15,000 to $24,999 9.1% 8.7% 8.3% 9.0% 8.9%
$25,000 to $34,999 6.7% 7.6% 7.8% 8.6% 8.9% *
$35,000 to $49,999 15.0% 13.9% 12.7% * 11.2% * 11.8% *
$50,000 to $74,999 18.6% 17.0% 19.1% 19.0% 18.4%
$75,000 to $99,999 13.3% 14.1% 13.6% 15.5% * 13.4%
$100,000 to $149,999 13.7% 16.4% * 16.7% * 15.8% 14.6%
$150,000 to $199,999 6.5% 6.7% 6.5% 5.6% 6.4%
$200,000 or more 5.3% 5.0% 5.0% 4.2% 5.9%
Median household income (dollars) 59,325 63,191 63,722 * 62,611 59,773
Mean household income (dollars) 77,459 79,215 79,987 77,296 80,460
With earnings 83.7% 85.3% * 85.0% 84.0% 84.7%
Mean earnings (dollars) 78,830 81,070 81,855 79,674 81,182
With Social Security 20.9% 20.2% 19.7% 19.0% * 20.7%
Mean Social Security income (dollars) 12,205 12,790 12,345 13,116 * 11,305 *
With retirement income 14.7% 13.7% 14.3% 15.0% 14.6%
Mean retirement income (dollars) 19,151 19,886 20,345 18,453 18,596
With Supplemental Security Income 4.2% 3.6% 3.6% 3.9% 4.0%
Mean Supplemental Security Income (dollars) 8,180 7,573 8,265 7,865 7,749
With cash public assistance income 3.5% 1.9% * 2.1% * 2.6% 3.9%
Mean cash public assistance income (dollars) 4,048 4,917 5,658 * 6,033 * 4,414
Figure D.3. (Continued).
(continued on next page)
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220 A Guidebook for Using American Community Survey Data for Transportation Planning
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Economic Characteristics Distribution Distribution Distribution Distribution Distribution
With Food Stamp benefits in the past 12 months 3.3% 2.2% * 3.2% 2.6% 2.9%
Families 325,251 334,719 334,711 326,209 324,523
Less than $10,000 5.0% 5.1% 3.8% 2.8% * 3.8%
$10,000 to $14,999 2.3% 3.2% 2.4% 2.3% 2.3%
$15,000 to $24,999 6.8% 6.9% 6.3% 8.0% 5.8%
$25,000 to $34,999 6.9% 7.3% 7.3% 7.7% 7.6%
$35,000 to $49,999 14.2% 12.5% 10.9% * 11.5% * 11.4% *
$50,000 to $74,999 17.3% 16.8% 19.3% 19.5% 18.7%
$75,000 to $99,999 15.8% 15.6% 15.3% 15.9% 16.2%
$100,000 to $149,999 16.4% 18.3% 20.1% * 20.0% * 18.8%
$150,000 to $199,999 8.5% 8.0% 8.3% 6.6% * 8.2%
$200,000 or more 6.8% 6.5% 6.3% 5.7% 7.2%
Median family income (dollars) 71,910 72,495 75,065 72,367 75,552
Mean family income (dollars) 90,253 87,757 91,563 88,664 93,232
Per capita income (dollars) 30,203 29,948 30,931 29,823 30,162
Nonfamily households 184,050 183,752 183,403 195,785 190,182
Median nonfamily income (dollars) 41,077 44,398 41,965 42,839 37,074
Mean nonfamily income (dollars) 52,046 59,915 * 53,937 53,846 54,756
Median earnings: 36,062 34,193 36,078 35,015 33,599 *
Male full-time, year-round workers (dollars) 52,031 50,994 53,967 48,111 49,666
Female full-time, year-round workers (dollars) 43,855 45,033 43,748 41,268 42,706
PERCENTAGE OF FAMILIES AND PEOPLE WHOSE INCOME IN THE PAST 12 MONTHS IS BELOW THE POVERTY LEVEL
All families 8.7 8.9 7.2 6.6 6.9
With related children under 18 years 12.7 12.3 10.9 10.5 9.4
With related children under 5 years only 11.5 8.4 4.7 5.9 2.1 *
Married couple families 5.5 5.1 3.7 3.7 4.4
With related children under 18 years 7.9 6.0 5.9 5.7 5.8
With related children under 5 years only 5.5 2.2 3.1 1.3 0.9
Families with female householder, no husband
20.7 20.2 18.7 14.2 16.7
present
With related children under 18 years 30.5 27.3 22.1 20.8 * 21.1
With related children under 5 years only 29.3 32.8 11.9 7.8 * 15.1
Figure D.3. (Continued).
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ACS Multiyear Profiles 221
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Economic Characteristics Distribution Distribution Distribution Distribution Distribution
All people 11.4 10.9 10.6 9.6 10.8
Under 18 years 17.1 13.9 15.1 13.7 11.4 *
Related children under 18 years 16.0 13.8 14.9 13.4 10.6 *
Related children under 5 years 16.0 12.6 11.8 15.3 8.4 *
Related children 5 to 17 years 16.0 14.2 16.2 12.7 11.4
18 years and over 9.5 10.0 9.1 8.1 10.6
18 to 64 years 10.0 10.2 9.3 8.3 10.6
65 years and over 6.7 8.5 7.9 7.3 10.4 *
People in families 10.6 9.8 9.0 8.3 8.3
Unrelated individuals 15 years and over 17.8 18.4 18.9 16.5 22.9 *
Source: U.S. Census Bureau, 2004 American Community Survey.
Estimates from two years are "significantly different" if their difference is large enough to infer that there was a less than 10 percent chance that the difference came entirely from random
variation.
Notes:
The number of householders does not necessarily equal the number of households because of differences in the weighting schemes for the population and occupied housing units.
Employment and unemployment estimates may vary from the official labor force data released by the Bureau of Labor Statistics because of differences in survey design and data collection.
For guidance on differences in employment and unemployment estimates from different sources go to http://www.census.gov/hhes/www/laborfor/laborguidance082504.html.
Workers include members of the Armed Forces and civilians who were at work last week.
Occupation codes are four-digit codes, but are still based on Standard Occupational Classification 2000.
Industry codes are four-digit codes and are based on the North American Industry Classification System 2002. However, the Industry categories adhere to the guidelines issued in Clarification
Memorandum No. 2, "NAICS Alternate Aggregation Structure for Use By U.S. Statistical Agencies," issued by the Office of Management and Budget.
Explanation of Symbols:
1. An `-' entry in an Estimate column indicates that no sample observations were available to compute an estimate.
2. An `-' following a median estimate means the median falls in the lowest interval of an open-ended distribution.
3. An `+' following a median estimate means the median falls in the upper interval of an open-ended distribution.
4. An `N' entry in an Estimate column indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.
Figure D.3. (Continued).
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222 A Guidebook for Using American Community Survey Data for Transportation Planning
MYP: 2004 Multiyear Profile
Data Set: 2004 American Community Survey
Geographic Area: Alameda County, California
NOTE. Data are limited to the household population and exclude the population living in institutions, college dormitories, and other group quarters. For
information on confidentiality protection, sampling error, nonsampling error, and definitions, see Survey Methodology.
An * indicates that the estimate is significantly different (at a 90% confidence level) than the estimate from the most current year. A `c' indicates the estimates
for that year and the current year are both controlled; a statistical test is not appropriate.
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Housing Characteristics Distribution Distribution Distribution Distribution Distribution
HOUSING OCCUPANCY
Total housing units 552,258 549,102 c 546,795 c 543,670 c 540,183 c
Occupied housing units 92.2% 94.4% * 94.8% * 96.0% * 95.3% *
Vacant housing units 7.8% 5.6% * 5.2% * 4.0% * 4.7% *
Homeowner vacancy rate 1.5 0.4 * 1.1 1.3 0.3 *
Rental vacancy rate 7.5 6.1 4.4 * 2.8 * 4.0 *
UNITS IN STRUCTURE
1-unit, detached 56.4% 56.3% 54.1% 54.1% 54.3%
1-unit, attached 5.7% 6.8% 6.8% 5.7% 6.4%
2 units 3.8% 3.7% 6.0% * 5.2% * 4.4%
3 or 4 units 7.0% 6.3% 6.1% 8.4% 6.8%
5 to 9 units 6.7% 6.9% 6.6% 6.1% 7.0%
10 to 19 units 5.0% 6.0% 4.4% 5.6% 5.5%
20 or more units 14.4% 12.7% 14.6% 13.6% 14.3%
Mobile home 0.9% 1.2% 1.3% 1.2% 1.3%
Boat, RV, van, etc. 0.1% 0.1% 0.1% 0.0% 0.1%
YEAR STRUCTURE BUILT
1995 or later 7.1% 7.0% 7.4% 5.7% 4.9% *
1990 to 1994 4.4% 5.1% 5.5% 3.5% 4.8%
1980 to 1989 11.5% 11.5% 11.6% 12.8% 12.5%
1970 to 1979 13.7% 15.0% 14.0% 15.2% 17.6% *
1960 to 1969 15.7% 15.9% 14.5% 14.8% 14.5%
1950 to 1959 15.8% 15.0% 14.4% 15.4% 14.6%
1940 to 1949 7.9% 7.9% 9.4% 9.9% * 9.8% *
1939 or earlier 24.0% 22.6% 23.2% 22.7% 21.3% *
Figure D.4. Example of an ACS Multiyear Profile, housing characteristics.
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ACS Multiyear Profiles 223
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Housing Characteristics Distribution Distribution Distribution Distribution Distribution
ROOMS
1 room 1.6% 3.1% * 3.3% * 3.6% * 3.4% *
2 rooms 5.2% 5.6% 6.9% * 5.8% 6.9% *
3 rooms 14.1% 13.7% 13.5% 13.9% 14.7%
4 rooms 18.8% 19.9% 20.1% 19.1% 18.4%
5 rooms 20.7% 18.8% 20.2% 19.6% 19.5%
6 rooms 16.1% 16.3% 14.3% 17.9% 15.9%
7 rooms 11.6% 10.6% 10.8% 10.6% 10.9%
8 rooms 6.3% 6.5% 6.1% 5.4% 6.4%
9 rooms or more 5.7% 5.4% 4.8% 4.1% * 3.9% *
Median (rooms) 5.0 4.9 4.8 * 4.9 4.8
BEDROOMS
No bedroom 2.9% 4.7% * 4.7% * 4.6% * 5.2% *
1 bedroom 19.1% 17.0% * 18.9% 17.4% 18.9%
2 bedrooms 28.5% 30.7% 28.8% 31.2% 29.8%
3 bedrooms 30.0% 28.0% 30.9% 29.2% 28.9%
4 bedrooms 15.2% 15.1% 12.7% * 13.9% 13.9%
5 bedrooms or more 4.3% 4.6% 3.9% 3.7% 3.2% *
Occupied housing units 509,301 518,471 * 518,114 521,994 * 514,705
HOUSING TENURE
Owner-occupied 58.1% 57.5% 55.8% 52.6% * 54.8% *
Renter-occupied 41.9% 42.5% 44.2% 47.4% * 4 5.2% *
Average household size of owner-occupied unit 2.98 2.88 2.94 2.87 3.01
Average household size of renter-occupied unit 2.55 2.61 2.60 2.59 2.44
YEAR HOUSEHOLDER MOVED INTO UNIT
2000 or later 43.9% 37.2% * 28.5% * 21.5% * 8.8% *
1995 to 1999 19.4% 22.3% * 31.4% * 35.5% * 44.3% *
1990 to 1994 11.6% 10.9% 12.1% 12.2% 16.1% *
1980 to 1989 10.8% 14.2% * 11.9% 14.8% * 14.7% *
1970 to 1979 7.2% 8.3% 8.2% 8.5% 8.4%
1969 or earlier 7.2% 7.0% 7.9% 7.5% 7.7%
VEHICLES AVAILABLE
No vehicles available 8.6% 7.9% 8.9% 11.0% * 10.4% *
1 vehicle available 34.1% 36.0% 34.0% 34.1% 34.7%
2 vehicles available 37.2% 35.9% 38.2% 35.6% 35.3%
3 or more vehicles available 20.0% 20.2% 19.0% 19.4% 19.5%
Figure D.4. (Continued).
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224 A Guidebook for Using American Community Survey Data for Transportation Planning
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Housing Characteristics Distribution Distribution Distribution Distribution Distribution
HOUSE HEATING FUEL
Utility gas 77.8% 76.7% 71.9% * 72.8% * 70.9% *
Bottled, tank, or LP gas 1.1% 1.1% 0.6% * 1.2% 1.6%
Electricity 19.6% 20.4% 25.6% * 24.1% * 25.9% *
Fuel oil, kerosene, etc. 0.1% 0.0% 0.1% 0.1% 0.1%
Coal or coke 0.0% 0.1% 0.0% 0.0% 0.0%
Wood 0.7% 0.4% 0.6% 0.5% 0.5%
Solar energy 0.0% 0.0% 0.0% 0.0% 0.0%
Other fuel 0.1% 0.3% 0.1% 0.3% 0.1%
No fuel used 0.5% 1.2% * 1.1% 1.0% 1.0%
SELECTED CHARACTERISTICS
Lacking complete plumbing facilities 0.6% 0.2% 0.4% 0.4% 0.1% *
Lacking complete kitchen facilities 0.7% 0.3% 0.6% 0.4% 0.8%
No telephone service available 1.4% 1.3% 2.0% 1.0% 1.3%
OCCUPANTS PER ROOM
1.00 or less 93.8% 92.0% * 92.1% 92.0% * 91.6% *
1.01 to 1.50 4.9% 4.8% 4.7% 5.2% 5.1%
1.51 or more 1.3% 3.2% * 3.2% * 2.8% * 3.3% *
Owner-occupied units 295,955 297,878 288,982 274,395 * 282,070
VALUE
Less than $50,000 1.2% 0.9% 1.7% 1.9% 2.8% *
$50,000 to $99,999 2.0% 2.3% 1.7% 3.4% * 3.3% *
$100,000 to $149,999 1.1% 2.1% * 2.8% * 3.9% * 7.2% *
$150,000 to $199,999 1.7% 2.7% 3.7% * 6.9% * 11.2% *
$200,000 to $299,999 7.6% 10.9% * 15.9% * 16.3% * 24.2% *
$300,000 to 499,999 36.7% 43.1% * 46.8% * 43.4% * 36.0%
$500,000 to $999,999 44.7% 33.1% * 24.0% * 21.6% * 13.8% *
$1,000,000 or more 4.9% 4.9% 3.5% * 2.6% * 1.6% *
Median (dollars) 498,227 455,821 * 419,003 * 388,362 * 336,073 *
MORTGAGE STATUS AND SELECTED MONTHLY OWNER COSTS
Housing units with a mortgage 230,242 231,859 229,043 211,854 * 219,187
Less than $300 0.1% 0.1% 0.5% 0.2% 0.6% *
$300 to $499 0.4% 1.4% * 1.0% 1.0% 1.3% *
$500 to $699 2.5% 2.0% 2.1% 2.2% 3.6%
$700 to $999 3.7% 8.8% * 5.6% * 6.4% * 5.4% *
$1,000 to $1,499 17.4% 14.1% 16.4% 19.1% 22.9% *
Figure D.4. (Continued).
OCR for page 225
ACS Multiyear Profiles 225
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Housing Characteristics Distribution Distribution Distribution Distribution Distribution
$1,500 to $1,999 22.5% 21.5% 21.7% 21.4% 21.8%
$2,000 or more 53.4% 52.0% 52.7% 49.7% 44.4% *
Median (dollars) 2,085 2,050 2,069 1,994 1,896 *
Housing units without a mortgage 65,713 66,019 59,939 62,541 62,883
Less than $100 2.3% 2.0% 1.6% 1.1% 1.6%
$100 to $199 10.8% 11.3% 10.9% 10.2% 14.4%
$200 to $299 23.6% 21.7% 30.3% 19.8% 28.0%
$300 to $399 15.9% 22.2% * 23.4% * 23.5% * 19.3%
$400 or more 47.4% 42.7% 33.8% * 4 5.3% 36.7% *
Median (dollars) 379 368 333 371 329 *
SELECTED MONTHLY OWNER COSTS AS A PERCENTAGE OF HOUSEHOLD INCOME
Housing unit with a mortgage 230,242 231,859 229,043 211,854 * 219,187
Less than 20.0 percent 25.3% 27.7% 28.4% 27.6% 31.3% *
20.0 to 24.9 percent 13.9% 15.3% 18.2% * 15.9% 15.7%
25.0 to 29.9 percent 12.5% 11.6% 12.7% 15.9% * 13.9%
30.0 to 34.9 percent 7.6% 11.9% * 8.8% 11.1% * 11.5% *
35.0 percent or more 40.6% 33.5% * 31.9% * 29.6% * 27.6% *
Not computed 580 900 1,129 297 211
Housing unit without a mortgage 65,713 66,019 59,939 62,541 62,883
Less than 10.0 percent 56.1% 51.2% 57.8% 45.6% * 57.5%
10.0 to 14.9 percent 14.6% 19.0% 13.0% 18.1% 17.4%
15.0 to 19.9 percent 7.9% 7.5% 10.9% 10.2% 9.2%
20.0 to 24.9 percent 8.5% 6.7% 4.0% * 7.4% 3.5% *
25.0 to 29.9 percent 2.2% 4.3% 3.7% 4.9% * 2.3%
30.0 to 34.9 percent 1.8% 1.7% 1.5% 1.6% 1.6%
35.0 percent or more 9.0% 9.7% 9.0% 12.1% 8.5%
Not computed 1,494 357 763 466 817
Renter-occupied units 213,346 220,593 229,132 * 247,599 * 232,635 *
GROSS RENT
Less than $200 1.5% 0.9% 0.7% 0.9% 2.1%
$200 to $299 2.7% 2.7% 3.5% 2.0% 3.6%
$300 to $499 4.0% 2.4% 3.8% 4.9% 6.0%
$500 to $749 14.8% 12.0% 14.1% 15.1% 17.0%
$750 to $999 26.7% 18.2% * 20.1% * 21.2% * 26.7%
$1,000 to $1,499 36.0% 44.6% * 37.3% 32.5% 30.6% *
$1,500 or more 14.4% 19.3% * 20.4% * 23.3% * 14.0%
No cash rent 6,712 3,080 * 3,512 * 7,779 3,627
Median (dollars) 1,005 1,130 * 1,091 * 1,070 * 953 *
Figure D.4. (Continued).
(continued on next page)
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226 A Guidebook for Using American Community Survey Data for Transportation Planning
2004 Percent 2003 Percent 2002 Percent 2001 Percent 2000 Percent
Selected Housing Characteristics Distribution Distribution Distribution Distribution Distribution
GROSS RENT AS A PERCENTAGE OF HOUSEHOLD INCOME
Less than 15.0 percent 11.8% 11.7% 12.5% 11.8% 14.0%
15.0 to 19.9 percent 12.3% 14.7% 13.2% 15.3% 17.1% *
20.0 to 24.9 percent 11.8% 14.1% 15.5% 12.5% 13.4%
25.0 to 29.9 percent 10.7% 11.3% 12.0% 12.2% 10.0%
30.0 to 34.9 percent 10.0% 8.5% 6.0% * 7.6% 7.6%
35.0 percent or more 43.4% 39.6% 40.8% 40.7% 38.0% *
Not computed 9,745 6,649 6,034 11,608 5,932
Source: U.S. Census Bureau, 2004 American Community Survey.
Estimates from two years are "significantly different" if their difference is large enough to infer that there was a less than 10 percent chance that the difference came entirely from random
variation.
Notes:
Value is the only dollar amount collected in specified intervals (checkboxes). The category boundaries are not adjusted for inflation. The median value forprevious years is adjusted for
inflation by multiplying a factor equal to the average annual CPI-U-RS factor.
For the characteristic Selected Monthly Owner Costs as a Percentage of Household Income, the percent distributions are calculated based on the total number of Owner-occupied Housing
Units with a Mortgage and Owner-occupied Housing Units without a Mortgage minus the number of Owner-occupied Housing Units in the not computed category.
For the characteristic Gross Rent as a Percentage of Household Income, the percent distributions are calculated based on the total number of Renter-occupied Units minus the number of Units
in the not computed category.
For the characteristic Gross Rent, the percent distributions and medians are calculated based on the total number of Renter-occupied Units minus the number of Units in the no cash rent
category.
Explanation of Symbols:
1. An `-' entry in an Estimate column indicates that no sample observations were available to compute an estimate.
2. An `-' following a median estimate means the median falls in the lowest interval of an open-ended distribution.
3. An `+' following a median estimate means the median falls in the upper interval of an open-ended distribution.
4. An `N' entry in an Estimate column indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.
Figure D.4. (Continued).
