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U.S. Population Migration Data

U.S. Department of Education Releases College Scorecard Data

Big changes coming to IRBs . . . . still time to comment

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U.S. and World Population Clock Has Been Updated with New Features

Understanding Census Bureau Geography

a PSC Data Resource

Resource Source:U.S. Census Bureau


This resource provides definitions of geographic terms and concepts. It also provides links to the urban/rural classification; zip code tabulation areas; and some reference files associated with the 1990 and 2000 census.


Definitions and counts (Source: U.S. Census Bureau)
Zip code tabulation areas (Source: U.S. Census Bureau)

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