California State Assembly seat · lines in effect since 2022
California Assembly District 45
A district of about 512,000 people, 66% Hispanic, 18% of adults with a bachelor's degree. It votes D+17.3 relative to the nation for president.
Where it sits among all 80 seats
Every California State Assembly 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 | 2024 | 2026 | |
|---|---|---|---|
| California State Assembly | D+21.5 | D+27.8 | D+42.5 |
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 80 seats. Small marks are other seats in California. The black marker is District 45.
Lower than 90% of seats.
Lower than 70% of seats.
Higher than 86% of seats.
Higher than 86% of seats.
Lower than 85% of seats.
Denser than 63% 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 6064% HispanicD+13.2Held DDistrict 50
62% Hispanic · 25% college gradsD+14.0Held DDistrict 53
67% Hispanic · 22% college gradsD+16.8Held DDistrict 58
63% Hispanic · 22% college gradsD+8.1Flipped 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.
- James C. Ramos (D)
2023– · Won 2022 by 21.5, 2024 by 27.8, 2026 by 42.5
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)