dress File for the 2000 census: the Local Update of Census Addresses Program (allowing local governments to receive and review the address list) and address list updates from the U.S. Postal Service’s Delivery Sequence File.

Administrative records:

Records that are collected as part of the operation of federal, state, and local programs, typically fund allocation and tax programs, such as Internal Revenue Service and Food Stamp Program records.

American Community Survey (ACS):

A continuous survey program under development by the Census Bureau to collect the detailed socioeconomic and other data currently asked of the census long-form sample. ACS estimates would be based on monthly surveys of respondents and released annually; for smaller population groups, estimates would be based on 3 or 5 years of data. The Census Bureau hopes that implementation of the American Community Survey will allow the switch to a short-form-only census in 2010. Pilot ACS data collection began in 1996, and a larger prototype (the Census 2000 Supplementary Survey)was fielded in 2000. Data collection continued at the 2000 level from 2001–2003.

American FactFinder:

The Internet site established and hosted by the Census Bureau as a primary means of disseminating data from the 2000 census, the 1990 census, the Census 2000 Supplementary Survey, and the American Community Survey. It is accessible at http://factfinder.census.gov [1/10/04].


The reallocation of the 435 seats in the U.S. House of Representatives, on the basis of population size, using data from a new decennial census. Under current law, apportionment is conducted using the method of equal proportions.

Balancing error:

Type of error cited by the Executive Steering Committee for A.C.E. Policy in its March 2001 recommendation not to adjust census counts for congressional redistricting. Balancing error occurs when cases in the P-sample and E-sample are not treated identically (e.g., when the search area used to identify P-sample matches and E-sample correct enumerations is defined differently).


Boundary and Annexation Survey

Basic data; basic data item:

See complete count.

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