California State Senate seat · lines in effect since 2022
California Senate District 27
A district of about 977,000 people, 24% Hispanic, 50% of adults with a bachelor's degree. It votes D+24.4 relative to the nation for president.
2024 election
Nov 5, 2024- Henry Stern (D) · won59.5%
- Lucie Volotzky (R)40.5%
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; the seat changed party 2 times. 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 | Henry Stern (D) | Lucie Volotzky (R) | 19.0 |
| Lines first used in 2012 | |||
| 2020 | Henry Stern (D) | Houman Salem (R) | 20.4 |
| 2016 | Henry Stern (D) | Steve Fazio (R) | 11.7 |
| 2012 | Fran Pavley (D) | Todd Zink (R) | 7.1 |
| Lines first used in 2002 | |||
| 2008 | Alan S. Lowenthal (D) | Allen G. Wood (R) | 34.7 |
| 2004 | Alan S. Lowenthal (D) | Cesar Navarro Castellanos (R) | 26.5 |
| Lines first used in 1992 | |||
| 2000 | Betty Karnette (D) | Marilyn Lyon (R) | 21.8 |
| 1996 | Betty Karnette (D)Flip | Phil Hawkins (R) | 2.8 |
| 1992 | Robert G. Beverly (R) | Brian Finander (D) | 1.9 |
| Lines first used in 1982 | |||
| 1988 | Bill Greene (D) | Johnnie G. Neely (R) | 77.6 |
| 1984 | Bill Greene (D) | Johnnie G. Neely (R) | 75.6 |
| Lines first used in 1972 | |||
| 1980 | Robert G. Beverly (R) | Dave Buckland (D) | 50.6 |
| 1976 | Robert G. Beverly (R)Flip | James O. Wedworth (D) | 22.6 |
| 1972 | David Roberti (D) | Hubert M. Childress (R) | 35.7 |
| Lines first used in 1962 | |||
| 1968 | George E. Danielson (D) | Richard E. Ferraro (R) | 13.7 |
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 27
The state's districts in other chambers that share residents with this one, and the share of District 27'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 27.
Higher than 82% of seats.
Higher than 77% of seats.
Lower than 77% of seats.
Higher than 59% of seats.
Higher than 51% of seats.
Denser than 67% 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 3931% Hispanic · 42% college gradsD+29.8Not up in 2026District 38
25% Hispanic · 54% college gradsD+14.1Held DDistrict 9
25% Hispanic · 46% college gradsD+41.3Not up in 2026District 37
24% Hispanic · 56% college gradsD+9.1Not 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