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List of United States congressional districts
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This is a complete list of congressional districts for representation in the United States House of Representatives. The quantity and boundaries of districts are determined after each census, although in some cases states have changed the boundaries more than once per census. This list includes the 435 current and 221 obsolete districts. For example, since the 2000 census, Nebraska has had three districts, but it used to have as many as six. Also included here are non-voting delegations: six current and four obsolete.
The boundaries of districts shift with each redistricting.

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Encyclopedia
This is a complete list of congressional districts for representation in the United States House of Representatives. The quantity and boundaries of districts are determined after each census, although in some cases states have changed the boundaries more than once per census. This list includes the 435 current and 221 obsolete districts. For example, since the 2000 census, Nebraska has had three districts, but it used to have as many as six. Also included here are non-voting delegations: six current and four obsolete.
The boundaries of districts shift with each redistricting. Over time, the region and demographics represented in a district can change substantially. Furthermore, districts sometimes retain the same boundaries while changing their district numbers.
Statistics
As of the 2000 census:
- Average population per district: 646,946 people
- State with the most districts: California (53)
- States with only one district (At-large): Alaska, Delaware, Montana, North Dakota, South Dakota, Vermont, and Wyoming.
- District with the greatest area:
- District with the smallest area:
- District with the most people: (905,316)
- District with the fewest people: (495,304)
- Oldest district: (Same geographical borders since 1789)
Alabama
List of all Alabama districts****, obsolete since 1970 census
Alaska
- , obsolete since statehood
American Samoa
See Non-voting delegations, below.
Arizona
List of all Arizona districts****
- , obsolete since 1949
- , obsolete since statehood
Arkansas
List of all Arkansas districts**
- , obsolete since 1950 census
- , obsolete since 1950 census
- , obsolete since 1940 census
- , obsolete since 1885
- , obsolete since statehood
California
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List of all California Districts | | | ********* | ********* | *********, obsolete since 1885
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Colorado
List of all Colorado districts***, obsolete since 1915
Connecticut
List of all Connecticut districts***, obsolete since 2000 census
Delaware
List of all Delaware districts
- , the oldest district in the country. Since 1787, it has never changed its shape or size.
From 1813 to 1823, Delaware had two representatives — both chosen at-large on a general ticket from the same state-wide district.
District of Columbia
See Non-voting delegations, below.
Florida
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List of all Florida Districts | | | ******* | ******, obsolete since 1937.
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Georgia
Georgia was redistricted in 2007.
List of all Georgia districts******, obsolete since 1885.
Guam
See Non-voting delegations, below.
Hawaii
List of all Hawaii districts*
- , obsolete since 1971.
- Territory At-large, obsolete since statehood
Idaho
List of all Idaho districts*
- , obsolete since 1919
- Territory At-large, obsolete since statehood
Illinois
List of all Illinois districts
| ******* | ***, obsolete since 2000 census
- , obsolete since 1990 census
- , obsolete since 1990 census
- , obsolete since 1980 census
- , obsolete since 1980 census
- , obsolete since 1960 census
- , obsolete since 1950 census
- , obsolete since 1949
- , obsolete since December 3, 1818
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Indiana
List of all Indiana Districts
| ***
| *, obsolete since 2000 census, obsolete since 1980 census, obsolete since 1940 census, obsolete since 1930 census, obsolete since December 11, 1816 | |
Iowa
List of all Iowa Districts
| **
| , obsolete since 1990 census, obsolete since 1970 census, obsolete since 1960 census, obsolete since 1940 census, obsolete since 1930 census, obsolete since 1930 census
, obsolete since 1847 | |
Kansas
List of all Kansas districts**
- , obsolete since 1990 census
- , obsolete since 1960 census
- , obsolete since 1940 census
- , obsolete since 1930 census
, obsolete
, obsolete
Kentucky
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List of all Kentucky Districts | | | *** |
- , obsolete since 1990 census
- , obsolete since 1960 census
- , obsolete since 1950 census
- , obsolete since 1930 census
- , obsolete since 1930 census
- , obsolete since 1840 census
- , obsolete since 1840 census
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Louisiana
List of all Louisiana districts****, obsolete since 1990 census
, obsolete since 1875
Maine
List of all Maine districts*
- , obsolete since 1960 census
- , obsolete since 1930 census
- , obsolete since 1880 census
- , obsolete since 1860 census
- , obsolete since 1850 census
- , obsolete since 1840 census
- , briefly occurred from 1820-1821 and 1883-1885
Maryland
List of all Maryland districts****
Massachusetts
List of all Massachusetts Districts
| ***** |
- , obsolete since 1990 census
- , obsolete since 1980 census
- , obsolete since 1960 census
- , obsolete since 1960 census
- , obsolete since 1940 census
- , obsolete since 1930 census
- , obsolete since 1820 move to Maine
- , obsolete since 1820 move to Maine
- , obsolete since 1820 move to Maine
- , obsolete since 1820 move to Maine
, 1793-1795 only | |
Michigan
List of all Michigan Districts
| ***** | ***, obsolete since 2000 census
- , obsolete since 1990 census
- , obsolete since 1990 census
- , obsolete since 1980 census
- , obsolete since 1837
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Minnesota
List of all Minnesota districts****
- , obsolete since 1960 census
- , obsolete since 1930 census
Mississippi
List of all Mississippi districts**
- , obsolete since 2000 census
- , obsolete since 1960 census
- , obsolete since 1950 census
- , obsolete since 1930 census
Missouri
List of all Missouri Districts
| ****
| , obsolete since 1980 census, obsolete since 1960 census, obsolete since 1950 census, obsolete since 1950 census, obsolete since 1930 census, obsolete since 1930 census, obsolete since 1930 census
, obsolete since 1935-01-03
, obsolete since statehood in 1821
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Montana
, obsolete since 1990 census
, obsolete since 1990 census
Nebraska
List of all Nebraska districts**, obsolete since 1960 census
- , obsolete since 1940 census
- , obsolete since 1930 census
Nevada
List of all Nevada districts*
New Hampshire
List of all New Hampshire districts*
- , obsolete since 1880 census
- , obsolete since 1850 census
- , replaced by single-member-district representation in 1847
New Jersey
List of all New Jersey districts
| **** | ***, obsolete since 1990 census
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New Mexico
List of all New Mexico districts*
New York
List of all New York districts
| ***********
| ***, obsolete since 2000 census, obsolete since 2000 census, obsolete since 1990 census, obsolete since 1990 census, obsolete since 1990 census, obsolete since 1980 census, obsolete since 1980 census, obsolete since 1980 census, obsolete since 1980 census, obsolete since 1980 census, obsolete since 1970 census, obsolete since 1970 census, obsolete since 1960 census, obsolete since 1960 census, obsolete since 1950 census, obsolete since 1950 censusAt-large District, obsolete since 1945
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North Carolina
List of all North Carolina districts
North Dakota
List of all North Dakota districts*, obsolete since 1970 census
- , obsolete since 1930 census
Northern Mariana Islands
See Non-voting delegations, below.
Ohio
List of all Ohio districts
| ******
| ***, obsolete since 2000 census, obsolete since 1990 census, obsolete since 1990 census, obsolete since 1980 census, obsolete since 1980 census, obsolete since 1970 census, obsolete since January 3, 1965 | |
- See also History of 19th Century congressional redistricting in Ohio, for a description of which counties were in which districts at the various elections up to 1902.
Oklahoma
List of all Oklahoma districts***, obsolete since 2000 census
- , obsolete since 1950 census
- , obsolete since 1950 census
- , obsolete since 1940 census
- , used only from 1913 to 1915
- , obsolete since statehood
Oregon
List of all Oregon districts
- , obsolete since March 3, 1893***, obsolete since statehood
Pennsylvania
List of all Pennsylvania districts
| *********
| , obsolete since 2000 census, obsolete since 2000 census, obsolete since 1990 census, obsolete since 1990 census, obsolete since 1980 census, obsolete since 1980 census, obsolete since 1970 census, obsolete since 1970 census, obsolete since 1960 census, obsolete since 1960 census, obsolete since 1960 census, obsolete since 1950 census, obsolete since 1950 census, obsolete since 1950 census, obsolete since 1940 census, obsolete since 1930 census, obsolete since 1930 census, obsolete since 1795 | |
Rhode Island
List of all Rhode Island districts
- , obsolete since March 3, 1843*
- , obsolete since 1930 census
South Carolina
List of all South Carolina districts***
- , obsolete since 1930 census
- , obsolete since 1840 census
- , obsolete since 1840 census
South Dakota
List of all South Dakota districts*, obsolete since 1980 census
- , obsolete since 1980 census
- , obsolete since 1930 census
Tennessee
List of all Tennessee districts*****, obsolete since 1950 census
- , obsolete since 1850 census
- , obsolete since 1840 census
- , obsolete since 1840 census
Texas
List of all Texas districts
| *****
| ***** | ***** | | | Note: Texas redrew its districts after the 2000 census, for the 108th Congress and again in 2003 for the 109th Congress (see 2003 Texas redistricting). On August 4, 2006, this map changed again because the 23rd district and its surrounding districts had to be redrawn for the 110th Congress (see ). This list and map reflect the districts used for the 109th Congress. |
U.S. Virgin Islands
See Non-voting delegations, below.
Utah
List of all Utah districts
- , obsolete since second seat was added in 1913**, obsolete since statehood in 1896
Vermont
List of all Vermont districts*, obsolete since 1930 census
- , obsolete since 1930 census
- , obsolete since 1880 census
- , obsolete since 1850 census
- , obsolete since 1840 census
- , obsolete since 1820 census
Virginia
List of all Virginia districts
| *****
| , obsolete since 1860 census, obsolete since 1860 census, obsolete since 1850 census, obsolete since 1850 census, obsolete since 1840 census, obsolete since 1840 census, obsolete since 1840 census, obsolete since 1840 census, obsolete since 1840 census, obsolete since 1840 census, obsolete since 1830 census, obsolete since 1820 census, obsolete since 1935 | |
Washington
List of all Washington districts****
West Virginia
List of all West Virginia districts**, obsolete since 1990 census
- , obsolete since 1970 census
- , obsolete since 1960 census
Wisconsin
List of all Wisconsin districts****
- , obsolete since 2000 census
- , obsolete since 1970 census
- , obsolete since 1930 census
- , obsolete since statehood, May 29, 1848
Wyoming
Non-voting delegations
- , starting January 3, 2009*
- , obsolete since March 3, 1803
- , obsolete since March 3, 1811
- , obsolete since November 2, 1889
- , obsolete since July 4, 1946
See also
Comparisons
External links
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