Change in apportionment of congressional districts , starting in 2023, as a result of the 2020 United States census Change in apportionment of congressional districts , starting in 2013, as a result of the 2010 United States census Change in apportionment of congressional districts , starting in 2003, as a result of the 2000 United States census Change in apportionment of congressional districts , starting in 1993, as a result of the 1990 United States census Congressional districts in the United States are electoral divisions for the purpose of electing members of the United States House of Representatives . The number of voting seats in the House of Representatives is currently set at 435, with each one representing an average of 761,169 people following the 2020 United States census .[1] The number of voting seats has applied since 1913, excluding 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] In addition, 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.
The Bureau of the Census conducts a constitutionally mandated decennial census whose figures are used to determine the number of congressional districts to which each state is entitled, in a process called "apportionment ". The 2022 elections were the first to be based on the congressional districts which were defined based on the 2020 United States census .[3]
Each state is responsible for the redistricting of districts within their state, while several states have one "at-large" division. Redistricting must take place if the number of members changes following a re-apportionment, or may take place at any other time if demographics represented in a district have changed substantially. Setting the boundaries of states' congressional districts is the responsibility of state governments, who often gerrymander districts for various reasons. 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 districts, and the six current and one obsolete non-voting delegations.
Extremes
Population Average population: 761,169 people based on 2020 U.S. census.[1] It was 708,377 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
Oldest district
American Human Development Index
Alabama Alabama's congressional districts since 2023
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–present2nd district : 1823–1841, 1843–1963, 1965–present3rd district : 1823–1841, 1843–1963, 1965–present4th district : 1833–1841, 1843–1963, 1965–present5th district : 1833–1841, 1843–1963, 1965–present6th district : 1843–1963, 1965–present7th district : 1843–1863, 1877–1963, 1965–present8th 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 )
Alaska Alaska's at-large district since 1959
American Samoa See Non-voting delegations, below.
Arizona Arizona's congressional districts since 2023
Arkansas Arkansas's congressional districts since 2023
California California's congressional districts since 2023
Colorado Colorado's congressional districts since 2023
Connecticut Connecticut's congressional districts since 2023
Delaware Delaware's at-large district since 1789 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 Florida's congressional districts since 2023
Georgia Georgia's congressional districts since 2023 At-large : 1793–1827, 1829–1845, 1883–1885 (obsolete)1st district : 1789–1793, 1827–1829, 1845–present2nd district : 1789–1793, 1827–1829, 1845–present3rd district : 1789–1793, 1827–1829, 1845–present4th district : 1827–1829, 1845–present5th district : 1827–1829, 1845–present6th district : 1827–1829, 1845–present7th district : 1827–1829, 1845–present8th district : 1845–1863, 1873–present9th district : 1873–present10th district : 1885–present11th district : 1893–1933, 1993–present12th district : 1913–1933, 2003–present13th district : 2003–present14th district : 2013–present
Guam See Non-voting delegations, below.
Hawaii Hawaii's congressional districts since 2023
Idaho Map of Idaho's congressional districts since 2023
Illinois Illinois's congressional districts since 2023
Indiana Indiana's congressional districts since 2023
Iowa Iowa's congressional districts since 2023
Kansas Kansas's congressional districts since 2023
Kentucky Kentucky's congressional districts since 2023 At-large : 1933–1935 (obsolete)1st district : 1792–1933, 1935–present2nd district : 1792–1933, 1935–present3rd district : 1803–1933, 1935–present4th district : 1803–1933, 1935–present5th district : 1803–1933, 1935–present6th district : 1803–1933, 1935–present7th 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 Louisiana's congressional districts since 2023
Maine Maine's congressional districts since 2023 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 .
Maryland Maryland's congressional districts since 2023
Massachusetts Massachusetts's congressional districts since 2023 At-large : 1793–1795 (obsolete)1st district : 1789–present2nd district : 1789–present3rd district : 1789–present4th district : 1789–present5th district : 1789–1793, 1795–present6th district : 1789–1793, 1795–present7th district : 1789–1793, 1795–present8th district : 1789–1793, 1795–present9th district : 1795–present10th 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 Michigan's congressional districts since 2023
Minnesota Minnesota's congressional districts since 2023 Territory : 1849–1858 (obsolete since statehood)At-large : 1858–1863, 1913–1915, 1933–1935 (obsolete)1st district : 1863–1933, 1935–present2nd district : 1863–1933, 1935–present3rd district : 1873–1933, 1935–present4th district : 1883–1933, 1935–present5th district : 1883–1933, 1935–present6th district : 1893–1933, 1935–present7th district : 1893–1933, 1935–present8th district : 1903–1933, 1935–present9th district : 1903–1933, 1935–1963 (obsolete since the 1960 census )10th district : 1915–1933 (obsolete since the 1930 census )
Mississippi Mississippi's congressional districts since 2023
Missouri Missouri's congressional districts from 2023
Territory : 1812–1821 (obsolete since statehood)At-large : 1821–1847, 1933–1935 (obsolete)1st district : 1847–1933, 1935–present2nd district : 1847–1933, 1935–present3rd district : 1847–1933, 1935–present4th district : 1847–1933, 1935–present5th district : 1847–1933, 1935–present6th district : 1853–1933, 1935–present7th district : 1853–1933, 1935–present8th district : 1863–1933, 1935–present9th 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 Montana's congressional districts since 2023
Nebraska Nebraska's congressional districts since 2023
Nevada Nevada's congressional districts since 2023
New Hampshire New Hampshire's congressional districts since 2023
New Jersey New Jersey's congressional districts since 2023 At-large : 1789–1799, 1801–1813, 1815–1843 (obsolete)1st district : 1799–1801, 1813–1815, 1843–present2nd district : 1799–1801, 1813–1815, 1843–present3rd district : 1799–1801, 1813–1815, 1843–present4th district : 1799–1801, 1843–present5th district : 1799–1801, 1843–present6th district : 1873–present7th district : 1873–present8th district : 1893–present9th district : 1903–present10th district : 1903–present11th district : 1913–present12th district : 1913–present13th 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 New Mexico's congressional districts since 2023
New York New York's congressional districts since 2023
North Carolina North Carolina's congressional districts since 2023
North Dakota North Dakota's at-large district since 1973
Northern Mariana Islands See Non-voting delegations, below.
Ohio Ohio's congressional districts since 2023
Oklahoma Oklahoma's congressional districts since 2023
Oregon Oregon's congressional districts since 2023
Pennsylvania Pennsylvania's congressional districts since 2023 At-large : 1789–1791, 1793–1795, 1873–1875, 1883–1889, 1893–1903, 1913–1923, 1943–1945 (obsolete)1st district : 1791–1793, 1795–present2nd district : 1791–1793, 1795–present3rd district : 1791–1793, 1795–present4th district : 1791–1793, 1795–present5th district : 1791–1793, 1795–present6th district : 1791–1793, 1795–present7th district : 1791–1793, 1795–present8th district : 1791–1793, 1795–present9th district : 1795–present10th district : 1795–present11th district : 1795–present12th district : 1795–1803, 1813–present13th district : 1813–present14th district : 1813–present15th district : 1813–present16th district : 1823–present17th district : 1823–present18th 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 Rhode Island's congressional districts since 2013
South Carolina South Carolina's congressional districts since 2023
South Dakota South Dakota's at-large district since 1983
Tennessee Tennessee's congressional districts since 2023
Texas Texas's congressional districts since 2023
U.S. Virgin Islands See Non-voting delegations, below.
Utah Utah's congressional districts since 2023
Vermont Vermont's at-large district since 1933 At-large : 1813–1821, 1823–1825, 1933–present1st 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 Virginia's congressional districts since 2023 At-large : 1883–1885, 1933–1935 (obsolete)1st district : 1789–1933, 1935–present2nd district : 1789–1933, 1935–present3rd district : 1789–1933, 1935–present4th district : 1789–1933, 1935–present5th district : 1789–1933, 1935–present6th district : 1789–1933, 1935–present7th district : 1789–1933, 1935–present8th district : 1789–1933, 1935–present9th district : 1789–1863, 1873–1933, 1935–present10th district : 1789–1863, 1885–1933, 1953–present11th district : 1793–1863, 1993–present12th 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 Washington's congressional districts since 2023
West Virginia West Virginia's congressional districts since 2023
Wisconsin
Wyoming Wyoming's at-large district since 1869
Non-voting delegations 2013 U.S. congressional districts with territories
List of pre-2020 districts by area This list includes the 435 voting districts immediately before 2020 redistricting (used from 2018–2023), along with the 6 non-voting delegations.[6] These geographic values reflect the changes to Pennsylvania's congressional districts in 2018.[7]
See also
Comparisons
Notes ^ a b c d 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 ^ a b c d e "2020 Census Apportionment Results Delivered to the President". US Census Bureau. April 26, 2021. Retrieved October 3, 2017 . ^ Public Law 62-5 of 1911, though Congress has the authority to change that number.^ Thompson, Don (October 12, 2022). "Census, term limit change means big turnover for lawmakers". APNews.com . Associated Press. ^ "Rhode Island's 1st congressional district". United States Census Bureau. Retrieved February 25, 2023 . ^ Sarah Burd-Sharps and Kristen Lewis. Geographies of Opportunity: Ranking Well-Being by Congressional District. Archived 2018-01-02 at the Wayback Machine Social Science Research Council, Measure of America. 2015. ^ Geography, US Census Bureau. "Congressional Districts Relationship Files (state-based)". census.gov . Archived from the original on July 17, 2017. Retrieved May 8, 2018 . ^ "Index of /geo/maps/cong_dist/cd116/cd_based/ST42". www2.census.gov . Retrieved May 16, 2019 .
External links Wikimedia Commons has media related to Congressional district maps of the United States .
Find a Senator or Representative via Govtrack.us United States Census Bureau: Congressional Apportionment Census Redistricting Data Office Geography division National Atlas Printable District Maps Jeffrey B. Lewis; et al. (2013). "Digital Boundary Definitions of United States Congressional Districts, 1789–2012". University of California, Los Angeles.