Top-two primary
All candidates run in one primary regardless of party and the two with the most votes advance, so two candidates of the same party can meet in November. The forecast then marks the seat as safe for that party.
California › California State Assembly · November 3, 2026 · Updated Oct 16, 2026
California Assembly District 55
D vs DTop twoSame-party general election. Two Democrats advanced to November: the seat stays Democratic.
Isaac Bryan has no major-party opponent.
Isaac Bryan has no major-party opponent.
How this race is decided
The candidates
DemocraticIncumbent
Isaac Bryan
- Experience
- State legislature
Democratic
Ashley Brown
The district
Lean D+66: how much more Democratic or Republican than the nation it votes for president.
Presidential vote
Precinct results re-aggregated to the current district lines.
Who lives here
- Population
- 467,040
- People per km²
- 4,531
- Adults with a B.A.+
- 49%
- White, no degree
- 9%of adults
- White 29%
- Hispanic 34%
- Black 19%
- Asian 11%
- Other / multiracial 7%
American Community Survey 2020–2024, aggregated from census tracts.
Past results
Results in the same-numbered district; earlier elections may have used different lines.
2024
183,373 votes · D+61.5✓ Isaac G Bryan (D)80.7%
Keith G Cascio (R)19.3%
2024 President Vote in this district
201,800 two-party votes · D+64.3 · D+65.8 vs. the nation✓ Kamala Harris (D)82.1%
Donald Trump (R)17.9%
2022
136,679 votes · D+67.4✓ Isaac G Bryan (D)83.7%
Keith Girolamo Cascio (R)16.3%
2020 Earlier district lines
227,895 votes · R+9.9✓ Phillip Chen (R)54.9%
Andrew E Rodriguez (D)45.1%
2020 President Vote in this district
235,841 two-party votes · D+71.9 · D+67.4 vs. the nation✓ Joe Biden (D)86.0%
Donald Trump (R)14.0%
2016 President Vote in this district
190,856 two-party votes · D+78.9 · D+76.7 vs. the nation✓ Hillary Clinton (D)89.5%
Donald Trump (R)10.5%