California State Senate seat · lines in effect since 2022
California Senate District 13
A district of about 991,000 people, 31% Asian, 65% of adults with a bachelor's degree. It votes D+55.5 relative to the nation for president.
2024 election
Nov 5, 2024- Josh Becker (D) · won72.5%
- Alexander Glew (R)27.5%
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
Where it sits among all 40 seats
Every California State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every election for this seat
15 races since 1968. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | Josh Becker (D) | Alexander Glew (R) | 44.9 |
| Lines first used in 2012 | |||
| 2020 | Josh Becker (D) | Alexander Glew (R) | 50.9 |
| 2016 | Jerry Hill (D) | Rick Ciardella (R) | 51.7 |
| 2012 | Jerry Hill (D) | Sally J. Lieber (D) | 32.2 |
| Lines first used in 2002 | |||
| 2008 | Elaine White Alquist (D) | Shane Patrick Connolly (R) | 48.4 |
| 2004 | Elaine White Alquist (D) | Shane Patrick Connolly (R) | 41.3 |
| Lines first used in 1992 | |||
| 2000 | John Vasconcellos (D) | John Longwell (R) | 42.2 |
| 1996 | John Vasconcellos (D) | Ray Morton (R) | 32.4 |
| 1992 | Alfred E. Alquist (D) | Michael Iddings (R) | 29.2 |
| Lines first used in 1982 | |||
| 1988 | Alfred E. Alquist (D) | Daniel C. Bertolet (R) | 32.8 |
| 1984 | Alfred E. Alquist (D) | Betsy S. Smullen (R) | 33.0 |
| Lines first used in 1972 | |||
| 1980 | John Garamendi (D) | William V. D. Johnson (R) | 31.5 |
| 1976 | John Garamendi (D) | Bob Whitten (R) | 6.1 |
| 1972 | Alfred E. Alquist (D) | Mark Hart (R) | 45.4 |
| Lines first used in 1962 | |||
| 1968 | Alfred E. Alquist (D) | W. R. Bradley (R) | 30.7 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 13
The state's districts in other chambers that share residents with this one, and the share of District 13's area in each.
Who lives here, compared
Grey bars show the spread of all 40 seats. Small marks are other seats in California. The black marker is District 13.
Highest of 40 seats.
Lower than 69% of seats.
Lower than 92% of seats.
Lower than 85% of seats.
Higher than 90% of seats.
Less dense than 56% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 1157% college gradsD+66.6Not up in 2026District 24
65% college gradsD+39.2Held DDistrict 15
35% Hispanic · 45% college gradsD+38.3Not up in 2026District 9
25% Hispanic · 46% college gradsD+41.3Not up in 2026
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET