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Supervisors - District 3
| ??? | Elected November 6, 2018 | |
| Robert Rivas | Elected June 3, 2014 Elected June 8, 2010 |  |
| Pat Loe | Elected June 6, 2006 Elected March 5, 2002 |  |
| Rita Bowling | Elected November 3, 1998 Elected November 8, 1994 Elected November 5, 1990 Elected November 4, 1986 | |
| Henry P. Solorio | Elected November 2, 1982 | |
| George B. Shore | Elected November 7, 1978 Elected June 4, 1974 Appointed June 19, 1972 | |
| Ernest F. Ricotti | Elected June 2, 1970 | |
| Edward G. Waldemar | Elected June 7, 1966 Elected November 6, 1962 Elected November 4, 1958 | |
| Wm. F. Renz | Elected June 1, 1954 Elected June 6, 1950 Elected June 4, 1946 | |
| Peter Friis | Elected August 25, 1942 Elected August 30, 1938 Elected August 28, 1934 Elected August 26, 1930 Elected November 2, 1926 Elected November 7, 1922 Elected November 5, 1918 | |
| Geo. A. Renz | Elected November 3, 1914 Elected November 8, 1910 | |
| L. M. Ladd | Elected November 6, 1906 Elected November 4, 1902 | |
| Wm. Palmtag | Elected November 8, 1898 Elected November 6, 1894 | |
| P. L. Nash | Elected November 4, 1890 | |
| Wm. Palmtag | Elected November 2, 1888 Elected November 4, 1884 | |
| A. T. Garner | Elected November 7, 1882 | |
| A. Leonard | Elected September 3, 1879 | |
| Thos. J. Conkling | Elected November 7, 1876 Appointed then Elected November 7, 1876 | |
| D. J. Watson | Elected March 26, 1874 |
