California State Senate seat · lines in effect since 2022
California Senate District 20
A district of about 915,000 people, 60% Hispanic, 25% of adults with a bachelor's degree. It votes D+32.8 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.
| 2026 | |
|---|---|
| California State Senate | D+51.7 |
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 20.
Lower than 72% of seats.
Lower than 59% of seats.
Higher than 74% of seats.
Lower than 64% of seats.
Lower than 59% of seats.
Denser than 85% 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 3365% Hispanic · 24% college gradsD+40.9Not up in 2026District 22
63% Hispanic · 24% college gradsD+18.5Held DDistrict 34
64% Hispanic · 25% college gradsD+20.1Held DDistrict 30
61% Hispanic · 29% college gradsD+21.7Held D
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.
- Caroline Menjivar (D)
2023– · Won 2022 by 16.9, 2026 by 51.7
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)