| California's 31st State Senate district | |||
|---|---|---|---|
 | |||
| Current senator |
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| Population (2010) • Voting age • Citizen voting age | 940,612 [1] 659,186 [1] 476,314 [1] | ||
| Demographics |
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| Registered voters | 451,552 [2] | ||
| Registration | 44.99% Democratic 27.50% Republican 21.90% No party preference | ||
California's 31st senatorial district is one of 40 California State Senate districts. It is currently represented by Democrat Richard Roth of Riverside.
The district encompasses urbanized and suburban parts of the Inland Empire in northwestern Riverside County. It forms an arc stretching from Corona in the west to Perris in the southeast, centered on the city of Riverside.
The 31st Senate District has nested within it both the 60th Assembly District , represented by Democrat Corey Jackson; and the 61st Assembly District , represented by Democrat Tina McKinnor. [3]
In the United States House of Representatives, the 30th Senate District is split between the California's 41st congressional district , represented by Republican Ken Calvert; [4] and California's 42nd congressional district , represented by Democrat Robert Garcia. [5]
| Year | Office | Results |
|---|---|---|
| 2021 | Recall |  No 54.5 – 45.5% |
| 2020 | President | Biden 58.3 – 39.6% |
| 2018 | Governor | Newsom 55.9 – 44.1% |
| Senator | Feinstein 50.7 – 49.3% | |
| 2016 | President | Clinton 57.4 – 36.9% |
| Senator | Harris 53.5 – 46.5% | |
| 2014 | Governor | Brown 50.6 – 49.4% |
| 2012 | President | Obama 57.5 – 40.3% |
| Senator | Feinstein 59.0 – 41.0% |
| Senators | Party | Years served | Electoral history | Counties represented |
|---|---|---|---|---|
| District established January 3, 1887 | ||||
A. W. Crandall (San Jose) | Republican | January 3, 1887 – January 2, 1893 | Elected in 1886. Re-elected in 1888. [ data missing ] | Santa Clara |
 L. A. Whitehurst (Gilroy) | Democratic | January 2, 1893 – January 4, 1897 | Elected in 1892. [ data missing ] | |
 Henry V. Morehouse (San Jose) | Republican | January 4, 1897 – January 1, 1901 | Elected in 1898. [ data missing ] | |
 Louis Oneal (San Jose) | Republican | January 1, 1901 – January 2, 1905 | Elected in 1900. [ data missing ] | |
 Henry W. Lynch (Pleyto) | Republican | January 2, 1905 – January 6, 1913 | Elected in 1904. Re-elected in 1908. [ data missing ] | Monterey, San Benito, San Luis Obispo |
Edwin M. Butler (Los Angeles) | Republican | January 6, 1913 – January 8, 1917 | Elected in 1912. [ data missing ] | Los Angeles |
 Harry A. Chamberlin (Los Angeles) | Republican | January 8, 1917 – January 7, 1929 | Elected in 1916. Re-elected in 1920. Re-elected in 1924. [ data missing ] | |
 Henry E. Carter (Los Angeles) | Republican | January 7, 1929 – January 2, 1933 | Elected in 1928. [ data missing ] | |
 Edgar W. Stow (Goleta) | Republican | January 2, 1933 – January 4, 1937 | Elected in 1932. [ data missing ] | Santa Barbara |
John J. Hollister Sr. (Santa Barbara) | Democratic | January 4, 1937 – January 6, 1941 | Elected in 1936. Lost re-election. | |
 Clarence C. Ward (Santa Barbara) | Republican | January 6, 1941 – May 9, 1955 | Elected in 1940. Re-elected in 1944. Re-elected in 1948. Re-elected in 1952. Died. | |
| Vacant | May 9, 1955 – December 2, 1955 | |||
 John J. Hollister Jr. (Santa Barbara) | Democratic | December 2, 1955 – November 23, 1961 | Elected to finish Ward's term. Re-elected in 1956. Re-elected in 1960. Died. | |
| Vacant | November 23, 1961 – February 24, 1962 | |||
 Alvin C. Weingand (Santa Barbara) | Democratic | February 24, 1962 – January 2, 1967 | Elected to finish Hollister Jr.'s term. Re-elected in 1964. Redistricted to the 24th district and lost re-election. | |
 James Q. Wedworth (Hawthorne) | Democratic | January 2, 1967 – November 30, 1976 | Elected in 1966. Re-elected in 1968. Re-elected in 1972. Redistricted to the 27th district and lost re-election. | Los Angeles |
 George Deukmejian (Long Beach) | Republican | December 6, 1976 – January 8, 1979 | Redistricted from the 37th district and re-elected in 1976. Resigned after becoming Attorney General. | |
| Vacant | January 8, 1979 – April 26, 1979 | |||
Ollie Speraw (Long Beach) | Republican | April 26, 1979 – November 30, 1984 | Elected to finish vacant term. Re-elected in 1980. Retired. | |
 William Campbell (Hacienda Heights) | Republican | December 3, 1984 – December 15, 1989 | Redistricted from the 33rd district and re-elected in 1984. Re-elected in 1988. Resigned. | Los Angeles, Orange |
| Vacant | December 15, 1989 – April 16, 1990 | |||
Frank Hill (Whittier) | Republican | April 16, 1990 – November 30, 1992 | Elected to finish Campbell's term. Redistricted to the 29th district. | |
 Bill Leonard (San Bernardino) | Republican | December 7, 1992 – November 30, 1996 | Redistricted from the 25th district and re-elected in 1992. Retired to run for State Assembly. | Riverside, San Bernardino |
 Jim Brulte (Rancho Cucamonga) | Republican | December 2, 1996 – November 30, 2004 | Elected in 1996. Re-elected in 2000. Termed out. | |
 Robert Dutton (Rancho Cucamonga) | Republican | December 6, 2004 – November 30, 2012 | Elected in 2004. Re-elected in 2008. Retired to run for U.S. House of Representatives. | |
 Richard Roth (Riverside) | Democratic | December 3, 2012 – present | Elected in 2012. Re-elected in 2016. Re-elected in 2020. Termed out. | Riverside |
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Richard Roth (incumbent) | 106,435 | 98.9 | |
| Republican | Rod D. Taylor (write-in) | 959 | 0.9 | |
| Libertarian | John K. Farr (write-in) | 189 | 0.2 | |
| Total votes | 107,583 | 100.0 | ||
| General election | ||||
| Democratic | Richard Roth (incumbent) | 216,910 | 59.0 | |
| Republican | Rod D. Taylor | 150,734 | 41.0 | |
| Total votes | 367,644 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Richard Roth (incumbent) | 81,504 | 61.2 | |
| Republican | Richard Reed | 51,755 | 38.8 | |
| Total votes | 133,259 | 100.0 | ||
| General election | ||||
| Democratic | Richard Roth (incumbent) | 167,574 | 60.5 | |
| Republican | Richard Reed | 109,238 | 39.5 | |
| Total votes | 276,812 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Republican | Jeff Miller | 38,641 | 51.1 | |
| Democratic | Richard Roth | 21,812 | 28.8 | |
| Democratic | Steve Clute | 15,191 | 20.1 | |
| Total votes | 75,644 | 100.0 | ||
| General election | ||||
| Democratic | Richard Roth | 133,882 | 55.3 | |
| Republican | Jeff Miller | 108,320 | 44.7 | |
| Total votes | 242,202 | 100.0 | ||
| Democratic gain from Republican | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Robert Dutton (incumbent) | 186,191 | 58.70 | |
| Democratic | Ameenah Fuller | 130,973 | 41.29 | |
| Independent | Denise Sternberg (write-in) | 5 | 0.00 | |
| Total votes | 317,169 | 100.00 | ||
| Turnout | {{{votes}}} | 70.43 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Robert Dutton | 170,900 | 59.50 | |
| Democratic | Marjorie Mikels | 116,312 | 40.50 | |
| Total votes | 287,212 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Jim Brulte (incumbent) | 153,745 | 58.79 | |
| Democratic | Michael D. Rayburn | 97,931 | 37.45 | |
| Libertarian | Fritz R. Ward | 9,851 | 3.77 | |
| Invalid or blank votes | 0 | 0.00 | ||
| Total votes | 261,527 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Jim Brulte | 143,537 | 56.17 | |
| Democratic | Gary George | 103,217 | 41.83 | |
| Invalid or blank votes | 17,795 | 6.73 | ||
| Total votes | 264,549 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Bill Leonard (incumbent) | 192,171 | 99.92 | |
| No party | Gary R. Biggs (write-in) | 119 | 0.06 | |
| No party | Jeffrey A. Schmidt (write-in) | 38 | 0.02 | |
| Invalid or blank votes | 105,447 | 35.41 | ||
| Total votes | 297,775 | 100.00 | ||
| Republican hold | ||||
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