List of United States congressional districts
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Congressional districts in the United States are electoral divisions for electing members of the United States House of Representatives. There are now 435 voting seats in the House of Representatives. Each seat represents around 761,000 people.[1] There have been 435 voting seats since 1913, except for a temporary increase to 437 after the admissions of Alaska and Hawaii. The total number of state members is capped by the Reapportionment Act of 1929.[2] Also, each of the five inhabited U.S. territories and the federal district of Washington, D.C. sends a non-voting delegate to the House of Representatives.
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The Bureau of the Census counts the number of people in the United States every ten years. This is called the decennial census. The numbers from the Census are used to figure out how many representavies each state gets. This is called "apportionment". The 2012 elections were the first to be based on the congressional districts which were defined based on the 2010 United States Census.[3]
Each state is in charge of the redistricting of districts within their state, and several states have one "at-large" division. Redistricting must take place if the number of members changes after a reapportionment, or may take place at any other time if demographics represented in a district has changed substantially. Districts may sometimes retain the same boundaries while changing their district numbers.
The following is a complete list of the 435 current congressional districts for the House of Representatives, and over 200 obsolete (no longer being used) districts, and the six current and one obsolete non-voting delegations.
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Extremes
Population
- Average population: 761,169 people based on 2020 U.S. census.[1] It was 710,767 in 2010.
- State with the most people in the average district: Delaware (989,948).[1] In 2010, Montana: 994,416.
- State with the fewest people in the average district: Montana (542,113).[1] In 2010, Rhode Island: 527,624.
- District with the most people: Delaware at-large (989,948).[1] In 2010, Montana at-large: 994,416.
- District with the fewest people: Rhode Island's 1st (545,085).[4] In 2010, also Rhode Island's 1st: 526,283.
Area
- District with the greatest area: Alaska at-large, same as in 2010.
- District with the greatest area that comprises less than an entire state: Montana's 2nd. In 2010: New Mexico's 2nd.
- District with the smallest area: New York's 12th. In 2010: New York's 13th.
Oldest district
- Delaware at-large, same geographical borders since 1789.
American Human Development Index
- District with the highest American Human Development Index score: California's 18th.
- District with the lowest American Human Development Index score: New York's 15th.[5]
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Alabama

- Territory: 1818–1819 (obsolete since statehood)
- At-large: 1819–1823, 1841–1843, 1873–1877, 1913–1917, 1963–1965 (obsolete)
- 1st district: 1823–1841, 1843–1963, 1965–present
- 2nd district: 1823–1841, 1843–1963, 1965–present
- 3rd district: 1823–1841, 1843–1963, 1965–present
- 4th district: 1833–1841, 1843–1963, 1965–present
- 5th district: 1833–1841, 1843–1963, 1965–present
- 6th district: 1843–1963, 1965–present
- 7th district: 1843–1863, 1877–1963, 1965–present
- 8th district: 1877–1963, 1965–1973 (obsolete since the 1970 census)
- 9th district: 1893–1963 (obsolete since the 1960 census)
- 10th district: 1917–1933 (obsolete since the 1930 census)
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Alaska

- Territory: 1906–1959 (obsolete since statehood)
- At-large: 1959–present
American Samoa
See Non-voting delegations, below.
Arizona

- Territory: 1863–1912 (obsolete since statehood)
- At-large: 1912–1949 (obsolete)
- 1st district: 1949–present
- 2nd district: 1949–present
- 3rd district: 1963–present
- 4th district: 1973–present
- 5th district: 1983–present
- 6th district: 1993–present
- 7th district: 2003–present
- 8th district: 2003–present
- 9th district: 2013–present
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Arkansas

- Territory: 1819–1836 (obsolete since statehood)
- At-large: 1836–1853, 1873–1875, 1883–1885 (obsolete)
- 1st district: 1853–present
- 2nd district: 1853–present
- 3rd district: 1863–present
- 4th district: 1875–present
- 5th district: 1885–1963 (obsolete since the 1960 census)
- 6th district: 1893–1963 (obsolete since the 1960 census)
- 7th district: 1903–1953 (obsolete since the 1950 census)
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California

- At-large: 1849–1865, 1883–1885 (obsolete)
- 1st district: 1865–present
- 2nd district: 1865–present
- 3rd district: 1865–present
- 4th district: 1873–present
- 5th district: 1885–present
- 6th district: 1885–present
- 7th district: 1893–present
- 8th district: 1903–present
- 9th district: 1913–present
- 10th district: 1913–present
- 11th district: 1913–present
- 12th district: 1933–present
- 13th district: 1933–present
- 14th district: 1933–present
- 15th district: 1933–present
- 16th district: 1933–present
- 17th district: 1933–present
- 18th district: 1933–present
- 19th district: 1933–present
- 20th district: 1933–present
- 21st district: 1943–present
- 22nd district: 1943–present
- 23rd district: 1943–present
- 24th district: 1953–present
- 25th district: 1953–present
- 26th district: 1953–present
- 27th district: 1953–present
- 28th district: 1953–present
- 29th district: 1953–present
- 30th district: 1953–present
- 31st district: 1963–present
- 32nd district: 1963–present
- 33rd district: 1963–present
- 34th district: 1963–present
- 35th district: 1963–present
- 36th district: 1963–present
- 37th district: 1963–present
- 38th district: 1963–present
- 39th district: 1973–present
- 40th district: 1973–present
- 41st district: 1973–present
- 42nd district: 1973–present
- 43rd district: 1973–present
- 44th district: 1983–present
- 45th district: 1983–present
- 46th district: 1993–present
- 47th district: 1993–present
- 48th district: 1993–present
- 49th district: 1993–present
- 50th district: 1993–present
- 51st district: 1993–present
- 52nd district: 1993–present
- 53rd district: 2003–2023 (obsolete due to the 2020 census)
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Colorado

- Territory: 1861–1876 (obsolete since statehood)
- At-large: 1876–1893, 1903–1915 (obsolete)
- 1st district: 1893–present
- 2nd district: 1893–present
- 3rd district: 1915–present
- 4th district: 1915–present
- 5th district: 1973–present
- 6th district: 1983–present
- 7th district: 2003–present
- 8th district: 2023–present
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Connecticut

- At-large: 1789–1837, 1903–1913, 1933–1965 (obsolete)
- 1st district: 1837–present
- 2nd district: 1837–present
- 3rd district: 1837–present
- 4th district: 1837–present
- 5th district: 1837–1843, 1913–present
- 6th district: 1837–1843, 1965–2003 (obsolete since the 2000 census)
Delaware

- At-large: 1789–present
The oldest district in the country, 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 statewide district.
District of Columbia
See Non-voting delegations, below.
Florida

- Territory: 1822–1845 (obsolete since statehood)
- At-large: 1845–1875, 1913–1915, 1933–1937, 1943–1945 (obsolete)
- 1st district: 1875–present
- 2nd district: 1875–present
- 3rd district: 1903–present
- 4th district: 1915–present
- 5th district: 1937–present
- 6th district: 1945–present
- 7th district: 1953–present
- 8th district: 1953–present
- 9th district: 1963–present
- 10th district: 1963–present
- 11th district: 1963–present
- 12th district: 1963–present
- 13th district: 1973–present
- 14th district: 1973–present
- 15th district: 1973–present
- 16th district: 1983–present
- 17th district: 1983–present
- 18th district: 1983–present
- 19th district: 1983–present
- 20th district: 1993–present
- 21st district: 1993–present
- 22nd district: 1993–present
- 23rd district: 1993–present
- 24th district: 2003–present
- 25th district: 2003–present
- 26th district: 2013–present
- 27th district: 2013–present
- 28th district: 2023–present
Georgia

- At-large: 1793–1827, 1829–1845, 1883–1885 (obsolete)
- 1st district: 1789–1793, 1827–1829, 1845–present
- 2nd district: 1789–1793, 1827–1829, 1845–present
- 3rd district: 1789–1793, 1827–1829, 1845–present
- 4th district: 1827–1829, 1845–present
- 5th district: 1827–1829, 1845–present
- 6th district: 1827–1829, 1845–present
- 7th district: 1827–1829, 1845–present
- 8th district: 1845–1863, 1873–present
- 9th district: 1873–present
- 10th district: 1885–present
- 11th district: 1893–1933, 1993–present
- 12th district: 1913–1933, 2003–present
- 13th district: 2003–present
- 14th district: 2013–present
Guam
See Non-voting delegations, below.
Hawaii

- Territory: 1900–1959 (obsolete since statehood)
- At-large: 1959–1971 (obsolete)
- 1st district: 1971–present
- 2nd district: 1971–present
Idaho

- Territory: 1864–1890 (obsolete since statehood)
- At-large: 1890–1919 (obsolete)
- 1st district: 1919–present
- 2nd district: 1919–present
Illinois

- Territory: 1812–1818 (obsolete since statehood)
- At-large: 1818–1833, 1863–1873, 1893–1895, 1913–1949 (obsolete)
- 1st district: 1833–present
- 2nd district: 1833–present
- 3rd district: 1833–present
- 4th district: 1843–present
- 5th district: 1843–present
- 6th district: 1843–present
- 7th district: 1843–present
- 8th district: 1853–present
- 9th district: 1853–present
- 10th district: 1863–present
- 11th district: 1863–present
- 12th district: 1863–present
- 13th district: 1863–present
- 14th district: 1873–present
- 15th district: 1873–present
- 16th district: 1873–present
- 17th district: 1873–present
- 18th district: 1873–2023 (obsolete due to the 2020 census)
- 19th district: 1873–2013 (obsolete since the 2010 census)
- 20th district: 1883–2003 (obsolete since the 2000 census)
- 21st district: 1895–1993 (obsolete since the 1990 census)
- 22nd district: 1895–1993 (obsolete since the 1990 census)
- 23rd district: 1903–1983 (obsolete since the 1980 census)
- 24th district: 1903–1983 (obsolete since the 1980 census)
- 25th district: 1903–1963 (obsolete since the 1960 census)
- 26th district: 1949–1953 (obsolete since the 1950 census)
Indiana

- Territory: 1805–1816 (obsolete since statehood)
- At-large: 1816–1823, 1873–1875 (obsolete)
- 1st district: 1823–present
- 2nd district: 1823–present
- 3rd district: 1823–present
- 4th district: 1833–present
- 5th district: 1833–present
- 6th district: 1833–present
- 7th district: 1833–present
- 8th district: 1843–present
- 9th district: 1843–present
- 10th district: 1843–2003 (obsolete since the 2000 census)
- 11th district: 1853–1983 (obsolete since the 1980 census)
- 12th district: 1875–1943 (obsolete since the 1940 census)
- 13th district: 1875–1933 (obsolete since the 1930 census)
Iowa

- Territory: 1838–1846 (obsolete since statehood)
- At-large: 1846–1847 (obsolete)
- 1st district: 1847–present
- 2nd district: 1847–present
- 3rd district: 1863–present
- 4th district: 1863–present
- 5th district: 1863–2013 (obsolete since the 2010 census)
- 6th district: 1863–1993 (obsolete since the 1990 census)
- 7th district: 1873–1973 (obsolete since the 1970 census)
- 8th district: 1873–1963 (obsolete since the 1960 census)
- 9th district: 1873–1943 (obsolete since the 1940 census)
- 10th district: 1883–1933 (obsolete since the 1930 census)
- 11th district: 1883–1933 (obsolete since the 1930 census)
Kansas

- Territory: 1854–1861 (obsolete since statehood)
- At-large: 1861–1875, 1883–1885, 1893–1907 (obsolete)
- 1st district: 1875–present
- 2nd district: 1875–present
- 3rd district: 1875–present
- 4th district: 1885–present
- 5th district: 1885–1993 (obsolete since the 1990 census)
- 6th district: 1885–1963 (obsolete since the 1960 census)
- 7th district: 1885–1943 (obsolete since the 1940 census)
- 8th district: 1907–1933 (obsolete since the 1930 census)
Kentucky

- At-large: 1933–1935 (obsolete)
- 1st district: 1792–1933, 1935–present
- 2nd district: 1792–1933, 1935–present
- 3rd district: 1803–1933, 1935–present
- 4th district: 1803–1933, 1935–present
- 5th district: 1803–1933, 1935–present
- 6th district: 1803–1933, 1935–present
- 7th district: 1813–1933, 1935–1993 (obsolete since the 1990 census)
- 8th district: 1813–1933, 1935–1963 (obsolete since the 1960 census)
- 9th district: 1813–1933, 1935–1953 (obsolete since the 1950 census)
- 10th district: 1813–1863, 1873–1933 (obsolete since the 1930 census)
- 11th district: 1823–1843, 1883–1933 (obsolete since the 1930 census)
- 12th district: 1823–1843 (obsolete since the 1840 census)
- 13th district: 1833–1843 (obsolete since the 1840 census)
Louisiana

- Orleans Territory: 1806–1812 (obsolete since statehood)
- At-large: 1812–1823, 1873–1875 (obsolete)
- 1st district: 1823–present
- 2nd district: 1823–present
- 3rd district: 1823–present
- 4th district: 1843–present
- 5th district: 1863–present
- 6th district: 1875–present
- 7th district: 1903–2013 (obsolete since the 2010 census)
- 8th district: 1913–1993 (obsolete since the 1990 census)
Maine

Until 1820, Maine was part of Massachusetts. After the 1810 census, Massachusetts was allocated 20 districts. Seven Massachusetts districts (then numbered 14 through 20) were credited to Maine soon after it became a state in 1820. See District of Maine.
- At-large: 1820–1821, 1883–1885 (obsolete)
- 1st district: 1821–1883, 1885–present
- 2nd district: 1821–1883, 1885–present
- 3rd district: 1821–1883, 1885–1963 (obsolete since the 1960 census)
- 4th district: 1821–1883, 1885–1933 (obsolete since the 1930 census)
- 5th district: 1821–1883 (obsolete since the 1880 census)
- 6th district: 1821–1863 (obsolete since the 1860 census)
- 7th district: 1821–1853 (obsolete since the 1850 census)
- 8th district: 1833–1843 (obsolete since the 1840 census)
Maryland

- At-large: 1963–1967 (obsolete)
- 1st district: 1789–present
- 2nd district: 1789–present
- 3rd district: 1789–present
- 4th district: 1789–present
- 5th district: 1789–present
- 6th district: 1789–1863, 1873–present
- 7th district: 1793–1843, 1953–present
- 8th district: 1793–1835, 1967–present
Massachusetts

- At-large: 1793–1795 (obsolete)
- 1st district: 1789–present
- 2nd district: 1789–present
- 3rd district: 1789–present
- 4th district: 1789–present
- 5th district: 1789–1793, 1795–present
- 6th district: 1789–1793, 1795–present
- 7th district: 1789–1793, 1795–present
- 8th district: 1789–1793, 1795–present
- 9th district: 1795–present
- 10th district: 1795–2013 (obsolete since the 2010 census)
- 11th district: 1795–1843, 1853–1863, 1873–1993 (obsolete since the 1990 census)
- 12th district: 1795–1843, 1883–1983 (obsolete since the 1980 census)
- 13th district: 1795–1833, 1893–1963 (obsolete since the 1960 census)
- 14th district: 1795–1820 (moved to Maine), 1903–1963 (obsolete since the 1960 census)
- 15th district: 1803–1820 (moved to Maine), 1913–1943 (obsolete since the 1940 census)
- 16th district: 1803–1820 (moved to Maine), 1913–1933 (obsolete since the 1930 census)
- 17th district: 1803–1820 (obsolete since 1820 move to Maine[notes 1])
- 18th district: 1813–1820 (obsolete since 1820 move to Maine[notes 1])
- 19th district: 1813–1820 (obsolete since 1820 move to Maine[notes 1])
- 20th district: 1813–1820 (obsolete since 1820 move to Maine[notes 1])
Michigan

- Territory: 1819–1837 (obsolete since statehood)
- At-large: 1837–1843, 1913–1915, 1963–1965 (obsolete)
- 1st district: 1843–present
- 2nd district: 1843–present
- 3rd district: 1843–present
- 4th district: 1853–present
- 5th district: 1863–present
- 6th district: 1863–present
- 7th district: 1873–present
- 8th district: 1873–present
- 9th district: 1873–present
- 10th district: 1883–present
- 11th district: 1883–present
- 12th district: 1893–present
- 13th district: 1915–present
- 14th district: 1933–2023 (obsolete since the 2020 census)
- 15th district: 1933–2013 (obsolete since the 2010 census)
- 16th district: 1933–2003 (obsolete since the 2000 census)
- 17th district: 1933–1993 (obsolete since the 1990 census)
- 18th district: 1953–1993 (obsolete since the 1990 census)
- 19th district: 1965–1983 (obsolete since the 1980 census)
Minnesota

- Territory: 1849–1858 (obsolete since statehood)
- At-large: 1858–1863, 1913–1915, 1933–1935 (obsolete)
- 1st district: 1863–1933, 1935–present
- 2nd district: 1863–1933, 1935–present
- 3rd district: 1873–1933, 1935–present
- 4th district: 1883–1933, 1935–present
- 5th district: 1883–1933, 1935–present
- 6th district: 1893–1933, 1935–present
- 7th district: 1893–1933, 1935–present
- 8th district: 1903–1933, 1935–present
- 9th district: 1903–1933, 1935–1963 (obsolete since the 1960 census)
- 10th district: 1915–1933 (obsolete since the 1930 census)
Mississippi

- Territory: 1801–1817 (obsolete since statehood)
- At-large: 1817–1847, 1853–1855 (obsolete)
- 1st district: 1847–present
- 2nd district: 1847–present
- 3rd district: 1847–present
- 4th district: 1847–present
- 5th district: 1855–2003 (obsolete since the 2000 census)
- 6th district: 1873–1963 (obsolete since the 1960 census)
- 7th district: 1883–1953 (obsolete since the 1950 census)
- 8th district: 1903–1933 (obsolete since the 1930 census)
Missouri

- Territory: 1812–1821 (obsolete since statehood)
- At-large: 1821–1847, 1933–1935 (obsolete)
- 1st district: 1847–1933, 1935–present
- 2nd district: 1847–1933, 1935–present
- 3rd district: 1847–1933, 1935–present
- 4th district: 1847–1933, 1935–present
- 5th district: 1847–1933, 1935–present
- 6th district: 1853–1933, 1935–present
- 7th district: 1853–1933, 1935–present
- 8th district: 1863–1933, 1935–present
- 9th district: 1863–1933, 1935–2013 (obsolete since the 2010 census)
- 10th district: 1873–1933, 1935–1983 (obsolete since the 1980 census)
- 11th district: 1873–1933, 1935–1963 (obsolete since the 1960 census)
- 12th district: 1873–1933, 1935–1953 (obsolete since the 1950 census)
- 13th district: 1873–1933, 1935–1953 (obsolete since the 1950 census)
- 14th district: 1883–1933 (obsolete since the 1930 census)
- 15th district: 1893–1933 (obsolete since the 1930 census)
- 16th district: 1903–1933 (obsolete since the 1930 census)
Montana

- Territory: 1865–1889 (obsolete since statehood)
- At-large: 1889–1919, 1993–2023 (obsolete)
- 1st district: 1919–1993, 2023–present
- 2nd district: 1919–1993, 2023–present
Nebraska

- Territory: 1855–1867 (obsolete since statehood)
- At-large: 1867–1883 (obsolete)
- 1st district: 1883–present
- 2nd district: 1883–present
- 3rd district: 1883–present
- 4th district: 1893–1963 (obsolete since the 1960 census)
- 5th district: 1893–1943 (obsolete since the 1940 census)
- 6th district: 1893–1933 (obsolete since the 1930 census)
Nevada

- Territory: 1861–1864 (obsolete since statehood)
- At-large: 1864–1983 (obsolete)
- 1st district: 1983–present
- 2nd district: 1983–present
- 3rd district: 2003–present
- 4th district: 2013–present
New Hampshire

- At-large: 1789–1847 (obsolete)
- 1st district: 1847–present
- 2nd district: 1847–present
- 3rd district: 1847–1883 (obsolete since the 1880 census)
- 4th district: 1847–1853 (obsolete since the 1850 census)
New Jersey

- At-large: 1789–1799, 1801–1813, 1815–1843 (obsolete)
- 1st district: 1799–1801, 1813–1815, 1843–present
- 2nd district: 1799–1801, 1813–1815, 1843–present
- 3rd district: 1799–1801, 1813–1815, 1843–present
- 4th district: 1799–1801, 1843–present
- 5th district: 1799–1801, 1843–present
- 6th district: 1873–present
- 7th district: 1873–present
- 8th district: 1893–present
- 9th district: 1903–present
- 10th district: 1903–present
- 11th district: 1913–present
- 12th district: 1913–present
- 13th district: 1933–2013 (obsolete since the 2010 census)
- 14th district: 1933–1993 (obsolete since the 1990 census)
- 15th district: 1963–1983 (obsolete since the 1980 census)
New Mexico

- Territory: 1851–1912 (obsolete since statehood)
- At-large: 1912–1969 (obsolete)
- 1st district: 1969–present
- 2nd district: 1969–present
- 3rd district: 1983–present
New York

- At-large: 1873–1875, 1883–1885, 1933–1945 (obsolete)
- 1st district: 1789–present
- 2nd district: 1789–present
- 3rd district: 1789–present
- 4th district: 1789–present
- 5th district: 1789–present
- 6th district: 1789–present
- 7th district: 1793–present
- 8th district: 1793–present
- 9th district: 1793–present
- 10th district: 1793–present
- 11th district: 1803–present
- 12th district: 1803–present
- 13th district: 1803–present
- 14th district: 1803–present
- 15th district: 1803–present
- 16th district: 1803–1809, 1813–present
- 17th district: 1803–1809, 1813–present
- 18th district: 1813–present
- 19th district: 1813–present
- 20th district: 1813–present
- 21st district: 1813–present
- 22nd district: 1821–present
- 23rd district: 1823–present
- 24th district: 1823–present
- 25th district: 1823–present
- 26th district: 1823–present
- 27th district: 1823–2023 (obsolete due to the 2020 census)
- 28th district: 1823–2013 (obsolete since the 2010 census)
- 29th district: 1823–2013 (obsolete since the 2010 census)
- 30th district: 1823–2003 (obsolete since the 2000 census)
- 31st district: 1833–2003 (obsolete since the 2000 census)
- 32nd district: 1833–1863, 1873–1993 (obsolete since the 1990 census)
- 33rd district: 1833–1863, 1875–1993 (obsolete since the 1990 census)
- 34th district: 1843–1853, 1885–1993 (obsolete since the 1990 census)
- 35th district: 1903–1983 (obsolete since the 1980 census)
- 36th district: 1903–1983 (obsolete since the 1980 census)
- 37th district: 1903–1983 (obsolete since the 1980 census)
- 38th district: 1913–1983 (obsolete since the 1980 census)
- 39th district: 1913–1983 (obsolete since the 1980 census)
- 40th district: 1913–1973 (obsolete since the 1970 census)
- 41st district: 1913–1973 (obsolete since the 1970 census)
- 42nd district: 1913–1963 (obsolete since the 1960 census)
- 43rd district: 1913–1963 (obsolete since the 1960 census)
- 44th district: 1945–1953 (obsolete since the 1950 census)
- 45th district: 1945–1953 (obsolete since the 1950 census)
North Carolina

- At-large: 1883–1885 (obsolete)
- 1st district: 1789–present
- 2nd district: 1789–present
- 3rd district: 1789–present
- 4th district: 1789–present
- 5th district: 1789–present
- 6th district: 1793–present
- 7th district: 1793–present
- 8th district: 1793–1863, 1873–present
- 9th district: 1793–1853, 1885–present
- 10th district: 1793–1843, 1903–present
- 11th district: 1803–1843, 1933–present
- 12th district: 1803–1843, 1943–1963, 1993–present
- 13th district: 1813–1843, 2003–present
- 14th district: 2023–present
North Dakota

- Dakota Territory: 1861–1889 (obsolete since statehood)
- At-large: 1889–1913, 1933–1963, 1973–present
- 1st district: 1913–1933, 1963–1973 (obsolete since the 1970 census)
- 2nd district: 1913–1933, 1963–1973 (obsolete since the 1970 census)
- 3rd district: 1913–1933 (obsolete since the 1930 census)
Northern Mariana Islands
- See Non-voting delegations, below.
Ohio

- Northwest Territory: 1799–1803 (obsolete since statehood)
- At-large: 1803–1813, 1913–1915, 1933–1953, 1963–1967 (obsolete)
- 1st district: 1813–present
- 2nd district: 1813–present
- 3rd district: 1813–present
- 4th district: 1813–present
- 5th district: 1813–present
- 6th district: 1813–present
- 7th district: 1823–present
- 8th district: 1823–present
- 9th district: 1823–present
- 10th district: 1823–present
- 11th district: 1823–present
- 12th district: 1823–present
- 13th district: 1823–present
- 14th district: 1823–present
- 15th district: 1833–present
- 16th district: 1833–2023 (obsolete due to the 2020 census)
- 17th district: 1833–2013 (obsolete since the 2010 census)
- 18th district: 1833–2013 (obsolete since the 2010 census)
- 19th district: 1833–2003 (obsolete since the 2000 census)
- 20th district: 1843–1863, 1873–1993 (obsolete since the 1990 census)
- 21st district: 1843–1863, 1883–1993 (obsolete since the 1990 census)
- 22nd district: 1915–1983 (obsolete since the 1980 census)
- 23rd district: 1953–1983 (obsolete since the 1980 census)
- 24th district: 1967–1973 (obsolete since the 1970 census)
Oklahoma
- Territory: 1890–1907 (obsolete since statehood)
- At-large: 1913–1915, 1933–1943 (obsolete)
- 1st district: 1907–present
- 2nd district: 1907–present
- 3rd district: 1907–present
- 4th district: 1907–present
- 5th district: 1907–present
- 6th district: 1915–2003 (obsolete since the 2000 census)
- 7th district: 1915–1953 (obsolete since the 1950 census)
- 8th district: 1915–1953 (obsolete since the 1950 census)
Oregon

- Territory: 1849–1859 (obsolete since statehood)
- At-large: 1859–1893 (obsolete)
- 1st district: 1893–present
- 2nd district: 1893–present
- 3rd district: 1913–present
- 4th district: 1943–present
- 5th district: 1983–present
- 6th district: 2023–present
Pennsylvania

- At-large: 1789–1791, 1793–1795, 1873–1875, 1883–1889, 1893–1903, 1913–1923, 1943–1945 (obsolete)
- 1st district: 1791–1793, 1795–present
- 2nd district: 1791–1793, 1795–present
- 3rd district: 1791–1793, 1795–present
- 4th district: 1791–1793, 1795–present
- 5th district: 1791–1793, 1795–present
- 6th district: 1791–1793, 1795–present
- 7th district: 1791–1793, 1795–present
- 8th district: 1791–1793, 1795–present
- 9th district: 1795–present
- 10th district: 1795–present
- 11th district: 1795–present
- 12th district: 1795–1803, 1813–present
- 13th district: 1813–present
- 14th district: 1813–present
- 15th district: 1813–present
- 16th district: 1823–present
- 17th district: 1823–present
- 18th district: 1823–2023 (obsolete due to the 2020 census)
- 19th district: 1833–2013 (obsolete since the 2010 census)
- 20th district: 1833–2003 (obsolete since the 2000 census)
- 21st district: 1833–2003 (obsolete since the 2000 census)
- 22nd district: 1833–1993 (obsolete since the 1990 census)
- 23rd district: 1833–1993 (obsolete since the 1990 census)
- 24th district: 1833–1983 (obsolete since the 1980 census)
- 25th district: 1833–1843, 1853–1863, 1875–1983 (obsolete since the 1980 census)
- 26th district: 1875–1973 (obsolete since the 1970 census)
- 27th district: 1875–1973 (obsolete since the 1970 census)
- 28th district: 1889–1963 (obsolete since the 1960 census)
- 29th district: 1903–1963 (obsolete since the 1960 census)
- 30th district: 1903–1963 (obsolete since the 1960 census)
- 31st district: 1903–1953 (obsolete since the 1950 census)
- 32nd district: 1903–1953 (obsolete since the 1950 census)
- 33rd district: 1923–1953 (obsolete since the 1950 census)
- 34th district: 1923–1943 (obsolete since the 1940 census)
- 35th district: 1923–1933 (obsolete since the 1930 census)
- 36th district: 1923–1933 (obsolete since the 1930 census)
Philippines
- See Non-voting delegations, below.
Puerto Rico
- See Non-voting delegations, below.
Rhode Island

- At-large: 1790–1843 (obsolete)
- 1st district: 1843–present
- 2nd district: 1843–present
- 3rd district: 1913–1933 (obsolete since the 1930 census)
South Carolina

- At-large: 1873–1875 (obsolete)
- 1st district: 1789–present
- 2nd district: 1789–present
- 3rd district: 1789–present
- 4th district: 1789–present
- 5th district: 1789–1863, 1875–present
- 6th district: 1793–1863, 1883–present
- 7th district: 1803–1853, 1883–1933, 2013–present
- 8th district: 1803–1843 (obsolete since the 1840 census)
- 9th district: 1813–1843 (obsolete since the 1840 census)
South Dakota

- Dakota Territory 1861–1889 (obsolete since statehood)
- At-large: 1889–1913, 1983–present
- 1st district: 1913–1983 (obsolete since the 1980 census)
- 2nd district: 1913–1983 (obsolete since the 1980 census)
- 3rd district: 1913–1933 (obsolete since the 1930 census)
Tennessee

- Southwest Territory: 1794–1796 (obsolete since statehood)
- At-large: 1796–1805, 1873–1875 (obsolete)
- 1st district: 1805–present
- 2nd district: 1805–present
- 3rd district: 1805–present
- 4th district: 1813–present
- 5th district: 1813–present
- 6th district: 1813–present
- 7th district: 1823–present
- 8th district: 1823–present
- 9th district: 1823–1863, 1873–1973, 1983–present
- 10th district: 1833–1863, 1875–1933, 1943–1953 (obsolete since the 1950 census)
- 11th district: 1833–1853 (obsolete since the 1850 census)
- 12th district: 1833–1843 (obsolete since the 1840 census)
- 13th district: 1833–1843 (obsolete since the 1840 census)
Texas

- At-large: 1873–1875, 1913–1919, 1933–1935, 1953–1959, 1963–1967 (obsolete)
- 1st district: 1845–present
- 2nd district: 1845–present
- 3rd district: 1863–present
- 4th district: 1863–present
- 5th district: 1875–present
- 6th district: 1875–present
- 7th district: 1883–present
- 8th district: 1883–present
- 9th district: 1883–present
- 10th district: 1883–present
- 11th district: 1883–present
- 12th district: 1893–present
- 13th district: 1893–present
- 14th district: 1903–present
- 15th district: 1903–present
- 16th district: 1903–present
- 17th district: 1919–present
- 18th district: 1919–present
- 19th district: 1935–present
- 20th district: 1935–present
- 21st district: 1935–present
- 22nd district: 1959–present
- 23rd district: 1967–present
- 24th district: 1973–present
- 25th district: 1983–present
- 26th district: 1983–present
- 27th district: 1983–present
- 28th district: 1993–present
- 29th district: 1993–present
- 30th district: 1993–present
- 31st district: 2003–present
- 32nd district: 2003–present
- 33rd district: 2013–present
- 34th district: 2013–present
- 35th district: 2013–present
- 36th district: 2013–present
- 37th district: 2023–present
- 38th district: 2023–present
U.S. Virgin Islands
- See Non-voting delegations, below.
Utah

- Territory: 1851–1896 (obsolete since statehood)
- At-large: 1896–1913 (obsolete)
- 1st district: 1913–present
- 2nd district: 1913–present
- 3rd district: 1983–present
- 4th district: 2013–present
Vermont

- At-large: 1813–1821, 1823–1825, 1933–present
- 1st district: 1791–1813, 1821–1823, 1825–1933 (obsolete since the 1930 census)
- 2nd district: 1791–1813, 1821–1823, 1825–1933 (obsolete since the 1930 census)
- 3rd district: 1803–1813, 1821–1823, 1825–1883 (obsolete since the 1880 census)
- 4th district: 1803–1813, 1821–1823, 1825–1853 (obsolete since the 1850 census)
- 5th district: 1821–1823, 1825–1843 (obsolete since the 1840 census)
- 6th district: 1821–1823 (obsolete since the 1820 census)
Virginia

- At-large: 1883–1885, 1933–1935 (obsolete)
- 1st district: 1789–1933, 1935–present
- 2nd district: 1789–1933, 1935–present
- 3rd district: 1789–1933, 1935–present
- 4th district: 1789–1933, 1935–present
- 5th district: 1789–1933, 1935–present
- 6th district: 1789–1933, 1935–present
- 7th district: 1789–1933, 1935–present
- 8th district: 1789–1933, 1935–present
- 9th district: 1789–1863, 1873–1933, 1935–present
- 10th district: 1789–1863, 1885–1933, 1953–present
- 11th district: 1793–1863, 1993–present
- 12th district: 1793–1863 (obsolete since the 1863 move to West Virginia)
- 13th district: 1793–1863 (obsolete since the 1863 move to West Virginia)
- 14th district: 1793–1853 (obsolete since the 1850 census)
- 15th district: 1793–1853 (obsolete since the 1850 census)
- 16th district: 1793–1843 (obsolete since the 1840 census)
- 17th district: 1793–1843 (obsolete since the 1840 census)
- 18th district: 1793–1843 (obsolete since the 1840 census)
- 19th district: 1793–1843 (obsolete since the 1840 census)
- 20th district: 1803–1843 (obsolete since the 1840 census)
- 21st district: 1803–1843 (obsolete since the 1840 census)
- 22nd district: 1803–1833 (obsolete since the 1830 census)
- 23rd district: 1813–1823 (obsolete since the 1820 census)
Washington

- Territory: 1854–1889 (obsolete since statehood)
- At-large: 1889–1909, 1913–1915, 1953–1959 (obsolete)
- 1st district: 1909–present
- 2nd district: 1909–present
- 3rd district: 1909–present
- 4th district: 1915–present
- 5th district: 1915–present
- 6th district: 1933–present
- 7th district: 1959–present
- 8th district: 1983–present
- 9th district: 1993–present
- 10th district: 2013–present
West Virginia

- At-large: 1913–1917 (obsolete)
- 1st district: 1863–present
- 2nd district: 1863–present
- 3rd district: 1863–2023 (obsolete due to the 2020 census)
- 4th district: 1883–1993 (obsolete since the 1990 census)
- 5th district: 1903–1973 (obsolete since the 1970 census)
- 6th district: 1917–1963 (obsolete since the 1960 census)
Wisconsin

- Territory: 1836–1848 (obsolete since statehood)
- 1st district: 1848–present
- 2nd district: 1848–present
- 3rd district: 1849–present
- 4th district: 1863–present
- 5th district: 1863–present
- 6th district: 1863–present
- 7th district: 1873–present
- 8th district: 1873–present
- 9th district: 1883–2003 (obsolete since the 2000 census)
- 10th district: 1893–1973 (obsolete since the 1970 census)
- 11th district: 1903–1933 (obsolete since the 1930 census)
Wyoming

- Territory: 1869–1890 (obsolete since statehood)
- At-large: 1890–present
Non-voting delegations

- American Samoa, 1978–present
- Cherokee Nation, 1835 & 2019–present (yet to be seated)
- Choctaw Nation, 1830 (never seated)
- District of Columbia, 1871–1875 & 1971–present
- Guam, 1970–present
- Northern Mariana Islands, 2009–present
- Philippines, 1907–1946 (obsolete since independence)
- Puerto Rico, 1901–present
- United States Virgin Islands, 1970–present
List of current districts by area
This list includes the 435 current voting districts, along with the District of Columbia's non-voting delegation.[6]
Related pages
- List of Members of the U.S. House of Representatives
- Apportionment
- United States Congressional apportionment
- General ticket
- Redistricting
- Apportionment paradox
- Gerrymandering
- Texas Eleven
- Voting Rights Act
- Representation
- United States Census Bureau
- Better Know A District: A recurring segment on The Colbert Report, in which Stephen Colbert profiled a congressional district and interviewed its Representative. Described by Colbert as a "435-part series".
Comparisons
- Constituency
- Australia
- Canada
- European Parliament
- Ireland
- Singapore: Group Representation Constituency, Non-Constituency Member of Parliament
- United Kingdom
Notes
- Maine used to be part of Massachusetts. After the 1810 census, Massachusetts was allocated 20 districts. Seven districts (numbers 14 through 20) were credited to Maine soon after it became a state in 1820.
References
Other websites
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