California State Senate seat · lines in effect since 2022
California Senate District 25
A district of about 1,012,000 people, 27% Hispanic and 32% Asian, 48% of adults with a bachelor's degree. It votes D+26.8 relative to the nation for president.
2024 election
Nov 5, 2024- Sasha Pérez (D) · won59.6%
- Elizabeth Wong Ahlers (R)40.4%
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 | Sasha Pérez (D) | Elizabeth Wong Ahlers (R) | 19.3 |
| Lines first used in 2012 | |||
| 2020 | Anthony J. Portantino (D) | Kathleen Hazelton (R) | 27.9 |
| 2016 | Anthony J. Portantino (D) | Mike D. Antonovich (R) | 15.7 |
| 2012 | Carol Liu (D) | Gilbert V. Gonzales (R) | 21.5 |
| Lines first used in 2002 | |||
| 2008 | Roderick Wright (D) | Lydia A. Gutierrez (R) | 43.8 |
| 2004 | Edward Vincent (D) | James Arlandus Spencer (R) | 50.3 |
| Lines first used in 1992 | |||
| 2000 | Edward Vincent (D) | Cliff McClain (R) | 64.6 |
| 1996 | Teresa Hughes (D) | Cliff McClain (R) | 64.0 |
| 1992 | Teresa Hughes (D) | Cliff McClain (R) | 58.0 |
| Lines first used in 1982 | |||
| 1988 | Bill Leonard (R) | Sandra K. Hester (D) | 32.2 |
| 1984 | H. L. Richardson (R) | Diana Monaghan (D) | 33.3 |
| Lines first used in 1972 | |||
| 1980 | H. L. Richardson (R) | Toby Boothroyd (D) | 53.9 |
| 1976 | H. L. Richardson (R) | Ronald Barbatoe (D) | 30.6 |
| 1972 | Robert S. Stevens (R) | Catherine Oneill (D) | 1.4 |
| Lines first used in 1962 | |||
| 1968 | Robert S. Stevens (R) | Joe Reichmann (D) | 34.2 |
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 25
The state's districts in other chambers that share residents with this one, and the share of District 25'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 25.
Higher than 79% of seats.
Lower than 62% of seats.
Lower than 69% of seats.
Lower than 59% of seats.
Higher than 92% of seats.
Denser than 51% 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 1535% Hispanic · 45% college gradsD+38.3Not up in 2026District 9
25% Hispanic · 46% college gradsD+41.3Not up in 2026District 37
24% Hispanic · 56% college gradsD+9.1Not up in 2026District 27
24% Hispanic · 50% college gradsD+24.4Not 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