| No. | Governor | Term in office | Party | Election | Lt. Governor |
| 1 | | | Peter Hardeman Burnett (1807–1895) | December 20, 1849 – January 9, 1851 (resigned) | Nonpartisan | 1849 | | John McDougal |
| 2 | | John McDougal (1818–1866) | January 9, 1851 – January 8, 1852 (did not run) | Nonpartisan | Succeeded from lieutenant governor | | David C. Broderick (acting) |
| 3 | | | John Bigler (1805–1871) | January 8, 1852 – January 9, 1856 (lost election) | Democratic | 1851 | Samuel Purdy |
| 1853 |
| 4 | | | J. Neely Johnson (1825–1872) | January 9, 1856 – January 8, 1858 (did not run) | American | 1855 | | Robert M. Anderson |
| 5 | | | John B. Weller (1812–1875) | January 8, 1858 – January 9, 1860 (did not run) | Democratic | 1857 | | Joseph Walkup |
| 6 | | | | Milton S. Latham (1827–1882) | January 9, 1860 – January 14, 1860 (resigned) | Lecompton Democratic | 1859 | John G. Downey |
| 7 | | John G. Downey (1827–1894) | January 14, 1860 – January 10, 1862 (did not run) | Lecompton Democratic | Succeeded from lieutenant governor | Isaac N. Quinn (acting) (term ended January 7, 1861) |
| Pablo de la Guerra (acting) |
| 8 | | | Leland Stanford (1824–1893) | January 10, 1862 – December 10, 1863 (did not run) | Republican | 1861 | | John F. Chellis |
| 9 | | | Frederick Low (1828–1894) | December 10, 1863 – December 5, 1867 (did not run) | Union | 1863 | | Tim N. Machin |
| 10 | | | Henry Huntly Haight (1825–1878) | December 5, 1867 – December 8, 1871 (lost election) | Democratic | 1867 | | William Holden |
| 11 | | | Newton Booth (1825–1892) | December 8, 1871 – February 27, 1875 (resigned) | Republican | 1871 | | Romualdo Pacheco |
| 12 | | Romualdo Pacheco (1831–1899) | February 27, 1875 – December 9, 1875 (did not run) | Republican | Succeeded from lieutenant governor | | William Irwin (acting) |
| 13 | | | William Irwin (1827–1886) | December 9, 1875 – January 8, 1880 (did not run) | Democratic | 1875 | James A. Johnson |
| 14 | | | George C. Perkins (1839–1923) | January 8, 1880 – January 10, 1883 (did not run) | Republican | 1879 | | John Mansfield |
| 15 | | | George Stoneman (1822–1894) | January 10, 1883 – January 8, 1887 (did not run) | Democratic | 1882 | | John Daggett |
| 16 | | Washington Bartlett (1824–1887) | January 8, 1887 – September 12, 1887 (died in office) | Democratic | 1886 | | Robert Waterman |
| 17 | | | Robert Waterman (1826–1891) | September 12, 1887 – January 8, 1891 (did not run) | Republican | Succeeded from lieutenant governor | | Stephen M. White (acting) |
| 18 | | Henry Markham (1840–1923) | January 8, 1891 – January 11, 1895 (did not run) | Republican | 1890 | | John B. Reddick |
| 19 | | | James Budd (1851–1908) | January 11, 1895 – January 4, 1899 (did not run) | Democratic | 1894 | Spencer G. Millard (died October 24, 1895) |
| Vacant |
| | William T. Jeter (appointed October 26, 1895) |
| 20 | | | Henry T. Gage (1852–1924) | January 4, 1899 – January 7, 1903 (lost nomination) | Republican | 1898 | | Jacob H. Neff |
| 21 | | George Pardee (1857–1941) | January 7, 1903 – January 9, 1907 (lost nomination) | Republican | 1902 | Alden Anderson |
| 22 | | James Gillett (1860–1937) | January 9, 1907 – January 3, 1911 (did not run) | Republican | 1906 | Warren R. Porter |
| 23 | | Hiram Johnson (1866–1945) | January 3, 1911 – March 15, 1917 (resigned) | Republican | 1910 | Albert Joseph Wallace |
| | Progressive | 1914 | | John M. Eshleman (died February 28, 1916) |
| Vacant |
| | William Stephens (took office July 22, 1916) |
| 24 | | | William Stephens (1859–1944) | March 15, 1917 – January 9, 1923 (lost nomination) | Republican | Succeeded from lieutenant governor | Vacant |
| 1918 | | C. C. Young |
| 25 | | Friend Richardson (1865–1943) | January 9, 1923 – January 4, 1927 (lost nomination) | Republican | 1922 |
| 26 | | C. C. Young (1869–1947) | January 4, 1927 – January 6, 1931 (lost nomination) | Republican | 1926 | Buron Fitts (resigned November 30, 1928) |
| Vacant |
| | Herschel L. Carnahan (appointed December 4, 1928) |
| 27 | | James Rolph (1869–1934) | January 6, 1931 – June 2, 1934 (died in office) | Republican | 1930 | Frank Merriam |
| 28 | | Frank Merriam (1865–1955) | June 2, 1934 – January 2, 1939 (lost election) | Republican | Succeeded from lieutenant governor | Vacant |
| 1934 | | George J. Hatfield |
| 29 | | | Culbert Olson (1876–1962) | January 2, 1939 – January 4, 1943 (lost election) | Democratic | 1938 | | Ellis E. Patterson |
| 30 | | | Earl Warren (1891–1974) | January 4, 1943 – October 4, 1953 (resigned) | Republican | 1942 | | Frederick F. Houser |
| 1946 | Goodwin Knight |
| 1950 |
| 31 | | Goodwin Knight (1896–1970) | October 5, 1953 – January 5, 1959 (did not run) | Republican | Succeeded from lieutenant governor | Harold J. Powers |
| 1954 |
| 32 | | | Pat Brown (1905–1996) | January 5, 1959 – January 2, 1967 (lost election) | Democratic | 1958 | | Glenn M. Anderson |
| 1962 |
| 33 | | | Ronald Reagan (1911–2004) | January 2, 1967 – January 6, 1975 (did not run) | Republican | 1966 | | Robert Finch (resigned January 8, 1969) |
| Edwin Reinecke (resigned October 2, 1974) |