2020 Census Apportionment Results
Congressional seats were apportioned among the 50 states based on the 2020 Census population counts. Apportionment results from 1790 to 2020 are also shown.
Historical Apportionment Data Map (Interactive)
This interactive tool enables users to view more than 10 decades of apportionment and population data.
Historical Population Change Data (1910-2020)
Historical population change for the nation and states.
Information about congressional apportionment for the current and past Decennial Censuses.
Source and References
2020 Decennial Census