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2020 Census 2030 Census American Community Survey (ACS) American Housing Survey (AHS) Annual Business Survey (ABS) Annual Integrated Economic Survey (AIES) Census of Governments County Business Patterns (CBP) Current Population Survey (CPS) Economic Census Household Pulse Survey International Programs Metro and Micro Areas Population Estimates Population Projections Small Area Income and Poverty Statistics of U.S. Businesses Survey of Income and Program Participation (SIPP)
View all library resources Glossary
America Counts: Stories Audio Blogs By the Numbers Facts for Features Fact Sheets Infographics and Visualizations Photos Publications Spotlights Stats for Stories Training (Census Academy) Videos Working Papers

The Amazing Apportionment Machine

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Within Census Blogs

The Amazing Apportionment Machine

Apportionment is the process of dividing the seats in the House of Representatives among the 50 states based on the population figures collected during the decennial census. But how does it actually work? Through animation, the US Census Bureau helps explain how the apportionment formula is used to ensure equal representation for all, just like the Founding Fathers planned.

Page Last Revised - October 8, 2021
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