U.S. House district for Colorado
Colorado's 1st congressional district Interactive map of district boundaries since January 3, 2023
Representative Distribution Population (2024) 735,987[ 2] Median household $93,102[ 2] Ethnicity Cook PVI D+29[ 3]
Colorado's 1st congressional district is acongressional district in theU.S. state ofColorado , based primarily in theCity and County of Denver in the central part of the state. The district includes almost all of the City and County of Denver, and the Denver enclaves ofGlendale andHolly Hills . A small portion of the City and County of Denver nearFour Square Mile is located inColorado's 6th congressional district .
The district has been represented byDemocrat Diana DeGette since1997 . An urban and diverse district based in the heart of Metropolitan Denver, and with aCook Partisan Voting Index rating of D+29, it is the most Democratic district in both Colorado and theMountain West .[ 3] Republicans have been elected to the seat since theGreat Depression :Dean M. Gillespie was the district's representative from1944 to1947 ; andMike McKevitt from1971 to1973 , winning thanks to an ideological split among Denver Democrats. No Republican has even notched 30% of the vote in the district after1998 .
Following the1990 United States census and consequential redrawing of Colorado's congressional districts, the 1st congressional district consisted of all of theCity and County of Denver and parts ofAdams ,Arapahoe , andJefferson counties.
Following the2000 United States census and consequential redistricting of Colorado's congressional districts, the 1st congressional district consisted of all of theCity and County of Denver and parts ofArapahoe County , including parts or all of the cities ofEnglewood ,Cherry Hills Village ,Sheridan ,Aurora , andGlendale .
Following the2010 United States census and consequential redistricting of Colorado's congressional districts, the 1st congressional district consisted of all of theCity and County of Denver and parts ofArapahoe County including parts or all of the cities ofEnglewood ,Cherry Hills Village ,Sheridan ,Aurora , andGlendale . The 1st district also took in additional area in the southwestern suburbs which included parts ofJefferson County and theCDPs ofColumbine andKen Caryl .
Following the2020 United States census and consequential redistricting of Colorado's congressional districts, the 1st congressional district consisted of all of theCity and County of Denver and parts ofArapahoe County that are enclaves within the Denver city borders such asGlendale andHolly Hills : the Jefferson County portions were moved to the7th District , while the southern Arapahoe County suburbs were moved to theAurora -based6th District .
For the118th and successive Congresses (based on redistricting following the2020 census ), the district contains all or portions of the following counties and communities:[ 4] Arapahoe County (2)
Glendale ,Holly Hills Denver County (1)
Denver (part; also6th )Recent election results from statewide races [ edit ] List of members representing the district [ edit ] Member Party Years Cong Electoral history District location District created March 4, 1893 Lafayette Pence (Denver ) Populist March 4, 1893 – 53rd Elected in 1892 .1893–1915 Adams ,Arapahoe ,Boulder ,Denver ,Jackson ,Jefferson ,Lake ,Larimer ,Logan ,Morgan ,Park ,Phillips ,Sedgwick ,Washington ,Weld , andYuma John F. Shafroth (Denver ) Republican March 4, 1895 – 54th 55th 56th 57th 58th Elected in 1894 .re-elected in 1896 .Re-elected in 1898 .Re-elected in 1900 .re-elected in 1902 .Silver Republican March 4, 1897 – Democratic March 4, 1903 – Robert W. Bonynge (Denver ) Republican February 16, 1904 – 58th 59th 60th Won election contest.Re-elected in 1904 .Re-elected in 1906 . Atterson W. Rucker (Fort Logan ) Democratic March 4, 1909 – 61st 62nd Elected in 1908 .Re-elected in 1910 .George Kindel (Denver ) Democratic March 4, 1913 – 63rd Elected in 1912 .run for U.S. senator .Benjamin Hilliard (Denver ) Democratic March 4, 1915 – 64th 65th Elected in 1914 .Re-elected in 1916 .1915–1923 [data missing William Vaile (Denver ) Republican March 4, 1919 – 66th 67th 68th 69th 70th Elected in 1918 .Re-elected in 1920 .Re-elected in 1922 .Re-elected in 1924 .Re-elected in 1926 .1923–1965 [data missing Vacant July 2, 1927 – 70th S. Harrison White (Denver ) Democratic November 15, 1927 – Elected to finish Vaile's term .William R. Eaton (Denver ) Republican March 4, 1929 – 71st 72nd Elected in 1928 .Re-elected in 1930 .Lawrence Lewis (Denver ) Democratic March 4, 1933 – 73rd 74th 75th 76th 77th 78th Elected in 1932 .Re-elected in 1934 .Re-elected in 1936 .Re-elected in 1938 .Re-elected in 1940 .Re-elected in 1942 .Vacant December 9, 1943 – 78th Dean M. Gillespie (Denver ) Republican March 7, 1944 – 78th 79th Elected to finish Lewis's term .Re-elected later in 1944 .John A. Carroll (Denver ) Democratic January 3, 1947 – 80th 81st Elected in 1946 .Re-elected in 1948 .run for U.S. senator .Byron Rogers (Denver ) Democratic January 3, 1951 – 82nd 83rd 84th 85th 86th 87th 88th 89th 90th 91st Elected in 1950 .Re-elected in 1952 .Re-elected in 1954 .Re-elected in 1956 .Re-elected in 1958 .Re-elected in 1960 .Re-elected in 1962 .Re-elected in 1964 .Re-elected in 1966 .Re-elected in 1968 .1965–1973 [data missing Mike McKevitt (Denver ) Republican January 3, 1971 – 92nd Elected in 1970 .Pat Schroeder (Denver ) Democratic January 3, 1973 – 93rd 94th 95th 96th 97th 98th 99th 100th 101st 102nd 103rd 104th Elected in 1972 .Re-elected in 1974 .Re-elected in 1976 .Re-elected in 1978 .Re-elected in 1980 .Re-elected in 1982 .Re-elected in 1984 .Re-elected in 1986 .Re-elected in 1988 .Re-elected in 1990 .Re-elected in 1992 .Re-elected in 1994 .1973–1983 Arapahoe andDenver 1983–1993 Arapahoe andDenver 1993–2003 Denver ; parts ofAdams andArapahoe Diana DeGette (Denver ) Democratic January 3, 1997 – 105th 106th 107th 108th 109th 110th 111th 112th 113th 114th 115th 116th 117th 118th 119th Elected in 1996 .Re-elected in 1998 .Re-elected in 2000 .Re-elected in 2002 .Re-elected in 2004 .Re-elected in 2006 .Re-elected in 2008 .Re-elected in 2010 .Re-elected in 2012 .Re-elected in 2014 .Re-elected in 2016 .Re-elected in 2018 .Re-elected in 2020 .Re-elected in 2022 .Re-elected in 2024 .2003–2013 Denver ; parts ofArapahoe 2013–2023 Denver ; parts ofArapahoe andJefferson 2023–present Denver ; parts ofArapahoe (enclaves only)
Historical district boundaries [ edit ] 2003–2013
^ "Congressional Districts Relationship Files (State-based)" .United States Census Bureau the original on March 27, 2019. RetrievedJanuary 24, 2021 – viaWayback Machine .^a b "My Congressional District" .United States Census Bureau American Community Survey and County Business Patterns.Archived from the original on December 28, 2018. RetrievedSeptember 14, 2025 .{{cite web }}: CS1 maint: others (link )^a b "2025 Cook PVI℠: District Map and List (119th Congress)" .Cook Political Report . April 3, 2025. RetrievedApril 5, 2025 .^ "Colorado - Congressional District 1" (PDF) .census.gov . RetrievedOctober 7, 2025 .^ "Dra 2020" .^ "State of Colorado Elections Database » 2022 Nov 8 :: General Election :: Attorney General :: State of Colorado" .State of Colorado Elections Database . Archived fromthe original on July 10, 2024. RetrievedAugust 21, 2024 .^ "State of Colorado Elections Database » 2022 Nov 8 :: General Election :: State Treasurer :: State of Colorado" .State of Colorado Elections Database . Archived fromthe original on July 10, 2024. RetrievedAugust 18, 2024 .^a b c d e f g h i j k l m n o p q r s "CO - District 01 - History" .Our Campaigns .Archived from the original on July 15, 2018. RetrievedJanuary 25, 2021 .^ "Statistics of the Congressional Election of November 2, 1926" (PDF) .Office of the Clerk, U.S. House of Representatives William Tyler Page .Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 28, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional and Presidential Election of November 6, 1928" (PDF) .Office of the Clerk, U.S. House of Representatives William Tyler Page . March 25, 1929.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 28, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 4, 1930" (PDF) .Office of the Clerk, U.S. House of Representatives William Tyler Page . January 8, 1931.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 28, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional and Presidential Election of November 8, 1932" (PDF) .Office of the Clerk, U.S. House of Representatives South Trimble . February 3, 1933.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 27, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 6, 1934" (PDF) .Office of the Clerk, U.S. House of Representatives South Trimble . April 11, 1935.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 27, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 3, 1936" (PDF) .Office of the Clerk, U.S. House of Representatives South Trimble . December 18, 1936.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 26, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 8, 1938" (PDF) .Office of the Clerk, U.S. House of Representatives South Trimble . July 29, 1940.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 26, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 5, 1940" (PDF) .Office of the Clerk, U.S. House of Representatives South Trimble . January 15, 1941.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 26, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 3, 1942" (PDF) .Office of the Clerk, U.S. House of Representatives South Trimble . January 30, 1943.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 7, 1944" (PDF) .Office of the Clerk, U.S. House of Representatives South Trimble . March 1, 1945.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 5, 1946" (PDF) .Office of the Clerk, U.S. House of Representatives Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 2, 1948" (PDF) .Office of the Clerk, U.S. House of Representatives Ralph R. Roberts . March 1, 1949.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 7, 1950" (PDF) .Office of the Clerk, U.S. House of Representatives Ralph R. Roberts . January 11, 1951.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 4, 1952" (PDF) .Office of the Clerk, U.S. House of Representatives Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 2, 1954" (PDF) .Office of the Clerk, U.S. House of Representatives Ralph R. Roberts . October 15, 1955.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 6, 1956" (PDF) .Office of the Clerk, U.S. House of Representatives Ralph R. Roberts . September 15, 1958.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 4, 1958" (PDF) .Office of the Clerk, U.S. House of Representatives Ralph R. Roberts . March 16, 1959.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 8, 1960" (PDF) .Office of the Clerk, U.S. House of Representatives Ralph R. Roberts . April 15, 1961.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 25, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 6, 1962" (PDF) .Office of the Clerk, U.S. House of Representatives Ralph R. Roberts . March 16, 1963.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 24, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 3, 1964" (PDF) .Office of the Clerk, U.S. House of Representatives Ralph R. Roberts . August 15, 1965.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 24, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 8, 1966" (PDF) .Office of the Clerk, U.S. House of Representatives W. Pat Jennings . March 31, 1967.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 24, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 5, 1968" (PDF) .Office of the Clerk, U.S. House of Representatives W. Pat Jennings . July 1, 1969.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 24, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 3, 1970" (PDF) .Office of the Clerk, U.S. House of Representatives W. Pat Jennings . May 1, 1971.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 24, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 7, 1972" (PDF) .Office of the Clerk, U.S. House of Representatives W. Pat Jennings . March 15, 1973.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 24, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 4, 1974" (PDF) .Office of the Clerk, U.S. House of Representatives W. Pat Jennings . August 1, 1975.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 24, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 2, 1976" (PDF) .Office of the Clerk, U.S. House of Representatives Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 24, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 7, 1978" (PDF) .Office of the Clerk, U.S. House of Representatives Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 24, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 4, 1980" (PDF) .Office of the Clerk, U.S. House of Representatives Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 2, 1982" (PDF) .Office of the Clerk, U.S. House of Representatives Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 6, 1984" (PDF) .Office of the Clerk, U.S. House of Representatives Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 4, 1986" (PDF) .Office of the Clerk, U.S. House of Representatives Donnald K. Anderson . May 29, 1987.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 8, 1988" (PDF) .Office of the Clerk, U.S. House of Representatives Donnald K. Anderson . April 20, 1989.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 6, 1990" (PDF) .Office of the Clerk, U.S. House of Representatives Donnald K. Anderson . April 29, 1991.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 3, 1992" (PDF) .Office of the Clerk, U.S. House of Representatives Donnald K. Anderson . May 31, 1993.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 8, 1994" (PDF) .Office of the Clerk, U.S. House of Representatives Robin H. Carle . May 12, 1995.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 5, 1996" (PDF) .Office of the Clerk, U.S. House of Representatives Robin H. Carle . July 29, 1997.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 3, 1998" (PDF) .Office of the Clerk, U.S. House of Representatives Jeff Trandahl . January 3, 1999.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional and Presidential Election of November 7, 2002" (PDF) .Office of the Clerk, U.S. House of Representatives Jeff Trandahl . June 21, 2001.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 23, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 5, 2002" (PDF) .Office of the Clerk, U.S. House of Representatives Jeff Trandahl . May 1, 2003.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 22, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 2, 2004" (PDF) .Office of the Clerk, U.S. House of Representatives Jeff Trandahl . June 7, 2005.Archived (PDF) from the original on January 5, 2007. RetrievedJanuary 22, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 7, 2006" (PDF) .Office of the Clerk, U.S. House of Representatives Lorraine C. Miller . September 21, 2007.Archived (PDF) from the original on August 15, 2007. RetrievedJanuary 22, 2001 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 4, 2008" (PDF) .Office of the Clerk, U.S. House of Representatives Lorraine C. Miller . July 10, 2009.Archived (PDF) from the original on July 30, 2009. RetrievedJanuary 22, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Congressional Election of November 2, 2010" (PDF) .Office of the Clerk, U.S. House of Representatives Karen L. Haas . June 3, 2011.Archived (PDF) from the original on August 7, 2011. RetrievedJanuary 22, 2021 .{{cite web }}: CS1 maint: others (link )^ "Statistics of the Presidential and Congressional Election of November 6, 2012" (PDF) .Office of the Clerk, U.S. House of Representatives Karen L. Haas . February 28, 2013.Archived (PDF) from the original on May 9, 2013. RetrievedJanuary 22, 2021 .{{cite web }}: CS1 maint: others (link )^ "Official Results November 4, 2014 General Election" .Colorado Election Results .Colorado Secretary of State .Archived from the original on December 26, 2014. RetrievedJanuary 22, 2021 .^ "Official Certified Results November 8, 2016 General Election" .Colorado Election Results .Colorado Secretary of State .Archived from the original on December 15, 2016. RetrievedJanuary 22, 2021 .^ "2018 General Certification and Results" (PDF) .Colorado Secretary of State Archived (PDF) from the original on October 18, 2020. RetrievedJanuary 22, 2021 .^ "Certificate - General Election Statewide Abstract of Votes Cast" (PDF) .Colorado Secretary of State Archived (PDF) from the original on December 14, 2020. RetrievedJanuary 22, 2021 .^ "Certificate & Results - General Election Statewide Abstract of Votes Cast" (PDF) .Colorado Secretary of State .^ "Certificate & results - 2024 General Election statewide abstract of votes cast" (PDF) .Colorado Secretary of State .
39°43′56″N 104°54′32″W / 39.73222°N 104.90889°W /39.73222; -104.90889
.svg)
.jpg)
.jpg)
.jpg)
.jpg)
.jpg)
.jpg)
_(new_version).svg)
