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Using the American Community Survey: Benefits and Challenges
TABLE 2-5 Major Types of Geographic Areas for Which 1-Year, 3-Year, and 5-Year Period Estimates Are Available from the American Community Survey
States and District of Columbia
Public use microdata areas (PUMAs) (these areas have at least 100,000 people)
Metropolitan and micropolitan statistical areas
Counties and county equivalents
Cities, towns, and census-designated places
Townships and villages (minor civil divisions) (recognized for publication in 28 states)
School districts (elementary, secondary, and unified)
American Indian and Alaska Native areas
NOTES: 1-year period estimates are available for governmental and statistical areas with at least 65,000 people; 3-year period estimates are available for governmental and statistical areas with at least 20,000 people; 5-year period estimates are available for all governmental and statistical areas, including census tracts (statistical areas of about 4,000 people) and block groups (statistical areas of about 1,500 people). Other areas for which estimates are provided (not shown) include combined statistical areas, Hawaiian Home Lands, urban and rural territory, areas inside and outside the principal city of a metropolitan or micropolitan statistical area, areas outside metropolitan and micropolitan areas.
SOURCE: Tabulation provided by the U.S. Census Bureau, February 21, 2007. Because of changes in population and geographic boundaries, the actual numbers of areas with estimates published may differ from the numbers shown.