California State Senate seat · lines in effect since 2022
California Senate District 38
A district of about 983,000 people, 25% Hispanic, 54% of adults with a bachelor's degree. It votes D+14.1 relative to the nation for president.
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 race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2022 | 2026 | |
|---|---|---|
| California State Senate | D+4.5 | D+12.6 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: California Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET
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 38.
Higher than 87% of seats.
Higher than 72% of seats.
Lower than 74% of seats.
Lower than 74% of seats.
Lower than 56% of seats.
Less dense than 54% 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. 1 of the 4 flipped this year.
District 2724% Hispanic · 50% college gradsD+24.4Not up in 2026District 40
27% Hispanic · 46% college gradsD+4.6Flipped DDistrict 37
24% Hispanic · 56% college gradsD+9.1Not up in 2026District 39
31% Hispanic · 42% college gradsD+29.8Not 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
Who has held it
These lines took effect in 2022.
- Catherine Blakespear (D)
2023– · Won 2022 by 4.5, 2026 by 12.6
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)