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 › U.S. House of Representatives · November 3, 2026 · Updated Oct 16, 2026
California's 12th District
D vs DTop twoSame-party general election. Two Democrats advanced to November: the seat stays Democratic.
Lateefah Simon has no major-party opponent.
Lateefah Simon has no major-party opponent.
How this race is decided
The candidates
DemocraticIncumbent
Lateefah Simon
Incumbent U.S. representative
- Experience
- Statewide office or Congress
- Raised
- $1.7M
- From individuals
- $1.3M
- Spent
- $1.2M
- Cash on hand
- $727.7K
Money: FEC, through Sep 30, 2026.
Democratic
Jamie Joyce
Nonprofit executive director
- Experience
- No elected office
- Raised
- $68K
- From individuals
- $64.7K
- Spent
- $62.1K
- Cash on hand
- $5.9K
Money: FEC, through Sep 30, 2026.
The district
Lean D+79: 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
- 755,220
- People per km²
- 2,064
- Adults with a B.A.+
- 54%
- White, no degree
- 9%of adults
- White 33%
- Hispanic 24%
- Black 15%
- Asian 20%
- Other / multiracial 8%
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 Earlier district lines
282,974 votes · Uncontested by the other party✓ Lateefah Simon (D)65.4%
Jennifer Tran (D)34.6%
2024 President Vote in this district
299,094 two-party votes · D+77.6 · D+79.1 vs. the nation✓ Kamala Harris (D)88.8%
Donald Trump (R)11.2%
2022 Earlier district lines
239,969 votes · D+80.9✓ Barbara Lee (D)90.5%
Stephen Slauson (R)9.5%
2020 Earlier district lines
362,950 votes · Uncontested by the other party✓ Nancy Pelosi (D)77.6%
Shahid Buttar (D)22.4%
2020 President Vote in this district
360,346 two-party votes · D+82.4 · D+77.9 vs. the nation✓ Joe Biden (D)91.2%
Donald Trump (R)8.8%
2018 Earlier district lines
317,072 votes · D+73.6✓ Nancy Pelosi (D)86.8%
Lisa Remmer (R)13.2%
2016 Earlier district lines
338,845 votes · Uncontested by the other party✓ Nancy Pelosi (D)80.9%
Preston Picus (I)19.1%
2016 President Vote in this district
307,710 two-party votes · D+86.2 · D+83.9 vs. the nation✓ Hillary Clinton (D)93.1%
Donald Trump (R)6.9%