| Assembly members | Party | Years served | Counties represented | Notes |
| John M. Ward | Republican | January 5, 1885 – January 3, 1887 | Butte | |
| Lewis Granger | Democratic | January 3, 1887 – January 7, 1889 | Butte | |
| Lewis Burwell | Democratic | January 7, 1889 – January 5, 1891 | Butte | |
| John J. Smith | Republican | January 5, 1891 – January 2, 1893 | Butte | |
| Charles William Tindall | Democratic | January 2, 1893 – January 7, 1895 | Mendocino | |
| John Bunyan Sanford | Democratic | January 7, 1895 – January 1, 1901 | Mendocino | |
| William Hanen | Republican | January 1, 1901 – January 5, 1903 | Mendocino | |
| Jo V. Snyder | Democratic | January 5, 1903 – January 2, 1905 | Nevada | |
| Edward F. Whiting | Republican | January 2, 1905 – January 7, 1907 | Nevada | |
| George W. Root | Republican | January 7, 1907 – January 4, 1909 | Nevada | |
| Frank M. Rutherford | Republican | January 4, 1909 – January 6, 1913 | Nevada | |
| George B. Finnegan | Democratic | January 6, 1913 – January 4, 1915 | Nevada, Placer | |
| Frank M. Rutherford | Progressive | January 4, 1915 – January 8, 1917 | Nevada, Placer | |
| Ivan H. Parker | Republican | January 8, 1917 – January 8, 1923 | Nevada, Placer | |
| Cora Woodbridge | Republican | January 8, 1923 – January 7, 1929 | Nevada, Placer | |
| Jerrold L. Seawell | Independent | January 7, 1929 – January 5, 1931 | Nevada, Placer | |
| Charles F. Reindollar | Republican | January 5, 1931 – January 2, 1933 | Marin | |
| Percy G. West | Republican | January 2, 1933 – January 7, 1935 | Sacramento | |
| Earl D. Desmond | Democratic | January 7, 1935 – January 8, 1945 | Sacramento | |
| Dwight H. Stephenson | Republican | January 8, 1945 – January 3, 1949 | Sacramento | |
| John E. Moss | Democratic | January 3, 1949 – January 3, 1953 | Sacramento | |
| Roy J. Nielsen | Republican | January 5, 1953 – January 5, 1959 | Sacramento | |
| Edwin L. Z'berg | Democratic | January 5, 1959 – November 30, 1974 | Sacramento | |
| Edwin L. Z'berg | Democratic | January 5, 1959 – November 30, 1974 | Sacramento, Yolo | |
| Michael Wornum | Democratic | December 2, 1974 – November 30, 1978 | Marin, Sonoma | |
| Bill Filante | Republican | December 4, 1978 – November 30, 1992 | Marin, Sonoma | |
| Phillip Isenberg | Democratic | December 7, 1992 – November 30, 1996 | Sacramento | |
| Deborah Ortiz | Democratic | December 2, 1996 – November 30, 1998 | Sacramento | |
| Darrell Steinberg | Democratic | December 7, 1998 – November 30, 2004 | Sacramento | |
| Dave Jones | Democratic | December 6, 2004 – November 30, 2010 | Sacramento | |
| Roger Dickinson | Democratic | December 6, 2010 – November 30, 2012 | Sacramento | |
| Richard Pan | Democratic | December 3, 2012 – November 30, 2014 | Sacramento, San Joaquin | |
| Jim Cooper | Democratic | December 1, 2014 – November 30, 2022 | Sacramento, San Joaquin | |
| Heath Flora | Republican | December 5, 2022 – present | Amador, Calaveras, Sacramento, San Joaquin, Stanislaus | |