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Prior to the Census 2000, the Census Bureau used the programs listed below to make sure our address lists were as up to data as possible to ensure complete coverage of all housing units and to help define statistical geographic boundaries to provide meaningful data from the Census 2000.

Local Update of Census Addresses

This program offered all local governments the opportunity to review and update the census list of individual addresses for their community. Public Law 103-430 called for this review to be conducted by locally designated census liaisons who had to agree to maintain the confidentiality of the information on the census address list. The Census Bureau regional offices maintained contact with the liaisons and provided feedback on the handling of submitted corrections in accordance with Public Law 103-430.

Tribal Review Program

This program provided Federally recognized American Indian Reservation officials and Alaska Native Regional Corporation officials the opportunity to review and report to the Census Bureau changes to their reservation or trust land and regional corporation boundaries as shown on census maps.

Census 2000 Participant Statistical Areas Program (PSAP)

In March 1998, the Census Bureau began working with local participants to delineate their statistical areas according to the criteria provided. In the PDF below you can review the Census 2000 boundary criteria that were used to define census tracts, census block groups (BGs), census county divisions (CCDs), and census designated places (CDPs) for the Census 2000 Participant Statistical Areas Program. A formal and more detailed description of these criteria were published in the Federal Register Notice. For more information, please refer to the appropriate Federal Register citation listed at the end of each section of the PDF.

For more information about the Census Bureau's statistical areas, geographic concepts or terminology, please reference the Geographic Areas Reference Manual, published by the U.S. Census Bureau.

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