The population of the U.S. on April 1, 1990 was 248,709,873.

Census Data

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Congressional Apportionment

Apportionment is the process of dividing up the 435 memberships, or seats, in the U.S. House of Representatives among the 50 states.

Publications Library

View, download or order published results from the 1990 census available in Portable Document Format (PDF).

Resources for Selected Topics from the 1990 Census

Find links to 1990 census data on popular topics and related sources of similar data.

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1990 Official (Unadjusted) and Adjusted Census Data

Database of Public Law 94-171 data
age by race and Hispanic origin

Geographic Products and Information

Maps and digital geographic products for use in GIS and mapping software

Selected Historical Census Data

Data from previous censuses

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Source: U.S. Census Bureau | Application Services Division | | Last Revised: March 08, 2013