U.S. House district for California
38°00′N 121°18′W / 38.0°N 121.3°W / 38.0; -121.3
California's 9th congressional district Interactive map of district boundaries
Representative Population (2024) 784,710 Median household income $92,036[ 1] Ethnicity Cook PVI D+1[ 2]
California's 9th congressional district is a congressional district in the U.S. state of California . Josh Harder , a Democrat , has represented the district since January 2023.
Currently, the district includes most of San Joaquin County and small parts of neighboring Contra Costa County and Stanislaus County . It includes the cities of Stockton , Lodi , Tracy , Manteca , and Mountain House in San Joaquin County, and the census-designated place of Discovery Bay in Contra Costa County.
The district was one of 13 congressional districts that voted for Donald Trump in the 2024 presidential election while simultaneously electing a Democrat in the 2024 House of Representatives elections .[ 3]
Recent election results from statewide races [ edit ]
2023–2027 boundaries[ edit ]
Under the 2020 redistricting, California's 9th congressional district is located between the Sacramento Valley , Gold Country , and the San Joaquin Valley . It encompasses most of San Joaquin County, and parts of Contra Costa and Stanislaus Counties. The area in San Joaquin County includes the cities of Stockton , Tracy , Manteca , Lodi , Ripon , and Escalon ; and the census-designated places Mountain House , Terminous , Thornton , Collierville , Woodbridge , Acampo , Dogtown , Lockeford , Victor , Lincoln Village , Morada , Country Club , August , Garden Acres , Kennedy , Taft Mosswood , French Camp , Waterloo , Linden , Peters , Farmington , and Del Rio . The area in Contra Costa County includes the census-designated places Discovery Bay and Byron . The area in Stanislaus County includes the census-designated place Valley Home .
San Joaquin County is split between this district and the 13th district . They are partitioned by Union Pacific, Highway 380, S Tracy Blvd, the California Aqueduct, S Banta Rd, Highway 5, Paradise Cut, S Manthey Rd, Walthall Slough, E West Ripon Rd, Kincaid Rd, Hutchinson Rd, and Stanislaus River.
Contra Costa County is split between this district and the 10th district . They are partitioned by Old River, Italian Slough, Western Farms Ranch Rd, Rankin Rd, Highway J14, Byron Hot Springs Rd, Camino Diablo, Kellogg Creek, Sellers Ave, Brentwood Blvd, Alloro Dr, Ghiggeri Dr, Emilio Dr, Guthrie Ln, Balfour Rd, Chestnut St, Byron Highway, Orwood Rd, Burlington Northern Santa Fe, Werner Dredger Cut, and Rock Slough.
Stanislaus County is split between this district and the 13th district . Lon Dale Rd, Highway J9, Highway J14, River Rock Rd, Lesnini Creek, Sonora Rd, and Stanislaus River.
Cities and CDPs with 10,000 or more people[ edit ]
2,500 – 10,000 people[ edit ]
August – 8,628
Escalon – 7,472
Lincoln Village – 4,401
Woodbridge – 4,031
French Camp – 3,770
Lockeford – 3,521
Kennedy – 3,256
Morada – 3,166
Collierville – 2,698
Dogtown – 2,643
List of members representing the district [ edit ]
Representative
Party
Dates
Cong ress
Electoral history
Counties
District created March 4, 1913
Charles W. Bell (Pasadena )
Progressive
March 4, 1913 – March 3, 1915
63rd
Elected in 1912 . Lost re-election.
1913–1933 Los Angeles outside Los Angeles city
Charles Hiram Randall (Los Angeles )
Prohibition
March 4, 1915 – March 3, 1921
64th 65th 66th
Elected in 1914 .Re-elected in 1916 .Re-elected in 1918 . Lost re-election.
Vacant
March 4, 1921 – April 11, 1921
67th
Representative-elect Charles F. Van de Water died November 20, 1920.
Walter F. Lineberger (Long Beach )
Republican
April 11, 1921 – March 3, 1927
67th 68th 69th
Elected to finish Van de Water's term .Re-elected in 1922 .Re-elected in 1924 . Retired to run for U.S. Senator .
William E. Evans (Glendale )
Republican
March 4, 1927 – March 3, 1933
70th 71st 72nd
Elected in 1926 .Re-elected in 1928 .Re-elected in 1930 . Redistricted to the 11th district .
Denver S. Church (Fresno )
Democratic
March 4, 1933 – January 3, 1935
73rd
Elected in 1932 . Retired.
1933–1943 Fresno , Kings , Madera , Merced , Stanislaus
Bertrand W. Gearhart (Fresno )
Republican
January 3, 1935 – January 3, 1949
74th 75th 76th 77th 78th 79th 80th
Elected in 1934 .Re-elected in 1936 .Re-elected in 1938 .Re-elected in 1940 .Re-elected in 1942 .Re-elected in 1944 .Re-elected in 1946 . Lost re-election.
1943–1953 Fresno , Madera , Merced , Stanislaus
Cecil F. White (Fresno )
Democratic
January 3, 1949 – January 3, 1951
81st
Elected in 1948 . Lost re-election.
Allan O. Hunter (Fresno )
Republican
January 3, 1951 – January 3, 1953
82nd
Elected in 1950 . Redistricted to the 12th district .
J. Arthur Younger (San Mateo )
Republican
January 3, 1953 – January 3, 1963
83rd 84th 85th 86th 87th
Elected in 1952 .Re-elected in 1954 .Re-elected in 1956 .Re-elected in 1958 .Re-elected in 1960 . Redistricted to the 11th district .
San Mateo
Don Edwards (San Jose )
Democratic
January 3, 1963 – January 3, 1975
88th 89th 90th 91st 92nd 93rd
Elected in 1962 .Re-elected in 1964 .Re-elected in 1966 .Re-elected in 1968 .Re-elected in 1970 .Re-elected in 1972 . Redistricted to the 10th district .
1963–1967 Eastern Santa Clara
1967–1973 Southwest Alameda , most of Santa Clara
1973–1975 Southwest Alameda , northeast Santa Clara
Pete Stark (Oakland )
Democratic
January 3, 1975 – January 3, 1993
94th 95th 96th 97th 98th 99th 100th 101st 102nd
Redistricted from the 8th district and 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 . Redistricted to the 13th district .
1975–1983 Alameda outside Oakland
Ron Dellums (Oakland )
Democratic
January 3, 1993 – February 6, 1998
103rd 104th 105th
Redistricted from the 8th district and re-elected in 1992 .Re-elected in 1994 .Re-elected in 1996 . Resigned.
1993–2003 Alameda (Berkeley , Oakland )
Vacant
February 6, 1998 – April 7, 1998
105th
Barbara Lee (Oakland )
Democratic
April 7, 1998 – January 3, 2013
105th 106th 107th 108th 109th 110th 111th 112th
Elected to finish Dellums's term .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 . Redistricted to the 13th district .
2003–2013 Alameda (Berkeley , Oakland )
Jerry McNerney (Stockton )
Democratic
January 3, 2013 – January 3, 2023
113th 114th 115th 116th 117th
Redistricted from the 11th district and re-elected in 2012 .Re-elected in 2014 .Re-elected in 2016 .Re-elected in 2018 .Re-elected in 2020 . Retired.
2013–2023 Central Valley including San Joaquin Delta and Stockton
Josh Harder (Tracy )
Democratic
January 3, 2023 – present
118th 119th
Redistricted from the 10th district and re-elected in 2022 .Re-elected in 2024 .
2023–present : northern San Joaquin Valley
Republican Walter F. Lineberger won the special election to replace fellow Republican Charles F. Van de Water , who won the election but died before the 67th Congress convened. Data for this special election is not available.[ 9]
^ "My Congressional District: Congressional District 9 (119th Congress), California" . United States Census Bureau .
^ "2025 Cook PVI℠: District Map and List (119th Congress)" . Cook Political Report . Retrieved April 5, 2025 .
^ Bowman, Bridget (December 14, 2024). "Trump's victory sets up fight for the House on his turf in 2026" . NBC News . Retrieved March 16, 2025 .
^ "CA 2022 Congressional" . davesredistricting.org . Retrieved October 7, 2025 .
^ "Supplement to Statement of Vote" (PDF) . November 8, 2022. Archived (PDF) from the original on January 8, 2025. Retrieved January 21, 2025 .
^ "Supplement to Statement of Vote" (PDF) . November 5, 2024. Archived (PDF) from the original on April 9, 2025. Retrieved April 5, 2025 .
^ "California FIPS Codes" . National Weather Service . Retrieved March 11, 2025 .
^ 1920 election results
^ 1921 special election results
^ 1922 election results
^ 1924 election results
^ 1926 election results
^ 1928 election results
^ 1930 election results
^ 1932 election results
^ 1934 election results
^ 1936 election results
^ 1938 election results
^ 1940 election results
^ 1942 election results
^ 1944 election results
^ 1946 election results
^ 1948 election results
^ 1950 election results
^ 1952 election results
^ 1954 election results
^ 1956 election results
^ 1958 election results
^ 1960 election results
^ 1962 election results
^ 1964 election results
^ 1966 election results
^ 1968 election results
^ 1970 election results
^ 1972 election results
^ 1974 election results
^ 1976 election results
^ 1978 election results
^ 1980 election results
^ 1982 election results
^ 1984 election results
^ 1986 election results
^ 1988 election results
^ 1990 election results
^ 1992 election results
^ 1994 election results
^ 1996 election results
^ 1998 special election results
^ 1998 election results
^ 2000 election results
^ 2002 general election results Archived February 3, 2009, at the Wayback Machine
^ 2004 general election results [permanent dead link ]
^ 2006 general election results Archived November 27, 2008, at the Wayback Machine
^ 2008 general election results [permanent dead link ]
^ 2010 general election results [permanent dead link ]
^ 2012 general election results Archived October 19, 2013, at the Wayback Machine
^ a b 2014 general election results
^ 2018 general election results
The at-large seats only existed from 1850 to 1865 and from 1883 to 1885. The 53rd district is obsolete.
See also
California's past and present representatives , senators , and delegations
Recent U.S. House elections in California: 2006 , 2008 , 2010 , 2012 , 2014 , 2016 , 2018 , 2020 , 2022 , 2024 , 2026