U.S. Department of Commerce

Congressional Apportionment

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2010 Apportionment Results

2010 Census Results

As a result of population changes between the 2000 and 2010 censuses, 8 states gained members and 10 states had fewer members in the House of Representatives. The regional patterns of change in congressional representation based on the 2000 and 2010 censuses reflect the Nation’s continuing shift in population from the Northeast and Midwest to the South and West.

Based on the 2010 Census apportionment, each member of the U.S. House of Representatives will represent an average population of 710,767.

Apportionment Tables: 
  • Apportionment Population and Number of Representatives, by State: 2010 Census [PDF - 8K] [XLS - 31K]
  • Overseas Population of the 50 States and the District of Columbia: 2010 Census [PDF - 8K] [XLS - 23K]
  • Priority Values for 2010 Census [PDF - 15K] [XLS - 50K]
  • Change in Number of Seats in the U.S. House of Representatives, by State, Ordered by Seats Gained and Lost: 1940 to 2010 [PDF - 54K] [XLS - 31K]
  • Change in Number of Seats in the U.S. House of Representatives, by Region: 1940 to 2010 [PDF - 54K] [XLS - 27K]
Map:  Apportionment of the U.S. House of Representatives Based on the 2010 Census
  • Color [GIF - 37K] [PDF - 592K]
  • Black and White [GIF - 38K] [PDF - 652K]
2010 Census Brief 

[PDF] or PDF denotes a file in Adobe’s Portable Document Format. To view the file, you will need the Adobe® Reader® Off Site available free from Adobe. [Excel] or the letters [xls] indicate a document is in the Microsoft® Excel® Spreadsheet Format (XLS). To view the file, you will need the Microsoft® Excel® Viewer Off Site available for free from Microsoft®.
Source: U.S. Census Bureau | Congressional Apportionment |  Last Revised: 2013-02-04T08:20:12.599-05:00