| Assembly members | Party | Years served | Counties represented | Notes |
| George Washington Tully Carter | Republican | January 5, 1885 – January 3, 1887 | Contra Costa | |
| David N. Sherburne | Republican | January 3, 1887 – January 7, 1889 | Contra Costa | |
| Henry Hook | Republican | January 7, 1889 – January 5, 1891 | Contra Costa | |
| George E. Carter | Republican | January 5, 1891 – January 2, 1893 | Contra Costa | |
| Frank H. Gould | Democratic | January 2, 1893 – January 7, 1895 | Merced, Stanislaus | |
| Lovell Alexander Richards | Republican | January 7, 1895 – January 4, 1897 | Merced, Stanislaus | |
| John G. Elliott | Fusion | January 4, 1897 – January 2, 1899 | Merced, Stanislaus | |
| G. R. Stewart | Democratic | January 2, 1899 – January 1, 1901 | Merced, Stanislaus | |
| James W. Haley | Democratic | January 1, 1901 – January 5, 1903 | Merced, Stanislaus | |
| Marshall Black | Republican | January 5, 1903 – January 2, 1905 | Santa Clara | |
| Fayette Mitcheltree | Republican | January 2, 1905 – January 7, 1907 | Santa Clara | |
| Charles C. Spalding | Republican | January 7, 1907 – January 4, 1909 | Santa Clara | |
| Daniel R. Hayes | Republican | January 4, 1909 – January 6, 1913 | Santa Clara | |
| George Hatch Johnson | Republican | January 6, 1913 – January 8, 1917 | San Bernardino | |
| Crombie Allen | Republican | January 8, 1917 – January 3, 1921 | San Bernardino | |
| Issac Jones | Republican | January 3, 1921 – January 5, 1931 | San Bernardino | |
| Charles W. Dempster | Republican | January 5, 1931 – January 2, 1933 | Los Angeles | |
| Kent H. Redwine | Republican | January 2, 1933 – January 6, 1941 | Los Angeles | |
| Franklin J. Potter | Republican | January 6, 1941 – January 8, 1945 | Los Angeles | |
| Albert Dekker | Democratic | January 8, 1945 – January 6, 1947 | Los Angeles | |
| Charles J. Conrad | Republican | January 6, 1947 – January 8, 1973 | Los Angeles | |
| Howard Berman | Democratic | January 8, 1973 – November 30, 1974 | Los Angeles | |
| Mike Cullen | Democratic | December 2, 1974 – November 30, 1978 | Los Angeles | |
| Dave Elder | Democratic | December 4, 1978 – November 30, 1992 | Los Angeles | |
| Hilda Solis | Democratic | December 7, 1992 – November 30, 1994 | Los Angeles | |
| Martin Gallegos | Democratic | December 5, 1994 – November 30, 2000 | Los Angeles | |
| Ed Chavez | Democratic | December 4, 2000 – November 30, 2006 | Los Angeles | |
| Ed Hernandez | Democratic | December 4, 2006 – November 30, 2010 | Los Angeles | |
| Roger Hernández | Democratic | December 6, 2010 – November 30, 2012 | Los Angeles | |
| Ian Calderon | Democratic | December 3, 2012 – November 30, 2020 | Los Angeles | |
| Lisa Calderon | Democratic | December 7, 2020 – November 30, 2022 | Los Angeles | |
| Reggie Jones-Sawyer | Democratic | December 5, 2022 – November 30, 2024 | Los Angeles | |
| Sade Elhawary | Democratic | December 2, 2024 – present | Los Angeles | |