California's 12th district: 2026 House race
California's 12th district is held by Lateefah Simon (Democratic). Lateefah Simon leads in reported fundraising with $1.4M.
Candidates and money2 on file
| Candidate | Party | Status | Raised | Spent | Cash |
|---|---|---|---|---|---|
| Lateefah Simon | DEM | Incumbent | $1.4M | $957K | $778K |
| Jamie Joyce | DEM | Challenger | $68K | $62K | $5,886 |
Ballot status: nominees as listed on Wikipedia (text under CC BY-SA), matched to FEC records by name.
Reported Source: FEC, through each candidate's latest filing. Open this race on FEC.gov
Forecasts and ratingsnational odds + who rates this race
No forecaster ratings are listed for this race.
Prediction market
Democratic 97.8% · Republican 1.4% Estimate
Polymarket price read as a probability (the two prices need not add up to exactly 100%). Volume $44,788, snapshot 2026-10-15. Thin market: small trades can move the price. View the market · About Polymarket
Open each forecaster for its current rating and method.
National picture: Democrats 90.5% to control the House on Polymarket Estimate. See all forecasts.
Who lives hereCensus survey data
| Measure | Value |
|---|---|
| Population | 748,393 |
| Median age | 38.0 |
| Median household income | $108,648 ±$1,919 |
| Adults 25+ with a bachelor’s degree or more | 54.1% |
| White, not Hispanic | 32.9% |
| Black, not Hispanic | 14.7% |
| Asian, not Hispanic | 20.2% |
| Hispanic or Latino (any race) | 23.7% |
| Homes lived in by their owners | 45.0% |
| People below the poverty line | 12.5% |
| Born outside the U.S. | 27.1% |
Heads up: California drew a new congressional map for 2026. These figures describe the old district lines, so they will not match the people who vote in this race.
Source: U.S. Census Bureau, American Community Survey, 2020-2024 5-year estimates, district lines of the 119th Congress, fetched 2026-10-15. These are survey estimates with margins of error; the Bureau publishes the error for each figure.
Public attention in this race1 candidate with an article
| Candidate | Party | Views, 30 days | Share |
|---|---|---|---|
| Lateefah Simon | DEM | 5,080 | 100% |
Reported English Wikipedia page views, 2026-09-14 to 2026-10-13. Only candidates with an article are counted; views show curiosity, not support.
Data on this page3/6 complete
| Data | Status | Detail |
|---|---|---|
| Nominees | Have it | listed on Wikipedia, matched to FEC |
| Campaign finance | Have it | FEC filings through 09/30/2026 |
| Forecaster ratings | Missing | none listed |
| Prediction market | Partial | Polymarket, volume $45K |
| 2024 result | Missing | not available |
| Financial disclosures | Have it | 2 of 2 candidates read |
So you can see what we have and what we do not. Missing is never treated as zero.