Congressional Apportionment - Census.gov
Jun 20, 2025 · Information about congressional apportionment for the current and past Decennial Censuses.
Historical Apportionment Data Map (Interactive) - Census.gov
Apr 26, 2021 · This interactive tool enables users to view more than 10 decades of apportionment and population data.
Apportionment Legislation 1890 - Present - Census.gov
Aug 14, 2024 · An Act Setting the Apportionment Method for Future Censuses (November 15, 1941) Provided for the automatic reapportionment of the House of Representative's 435 seats …
About Congressional Apportionment - Census.gov
Jun 20, 2025 · The Constitution provides that each state will have a minimum of one member in the U.S. House of Representatives, and then the apportionment calculation divides the …
Historical Apportionment Data (1910-2020) - Census.gov
Apr 26, 2021 · Historical apportionment data for the nation and states.
2020 Census Apportionment Results
Apr 26, 2021 · Congressional seats were apportioned among the 50 states based on the 2020 Census population counts. Apportionment results from 1790 to 2020 are also shown.
Designing P.L. 94-171 Redistricting Data for the Year 2030 Census
Mar 13, 2025 · This report documents important feedback from the states regarding their voluntary participation in the Redistricting Data Program.
2020 Census: Apportionment of the U.S. House of Representatives
Apr 26, 2021 · Apportionment is the process of dividing the 435 memberships, or seats, in the U.S. House of Representatives among the 50 states. At the conclusion of each decennial …
Reapportionment - Census.gov
Oct 28, 2021 · High school students will predict population changes from the 2010 Census to 2020. Then they will reallocate seats in the U.S. House of Representatives.
2020 Census: What is Apportionment?
Apr 26, 2021 · This video explains how apportionment works -- the process of distributing the 435 seats, in the U.S. House of Representatives among the 50 states.