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 › Statewide offices · November 3, 2026 · Updated Oct 16, 2026
Ma is very likely to win: Ma wins in more than 99 of every 100 simulations.
Ma is very likely to win: Ma wins in 49 of every 50 simulations.
Range of outcomes
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 State Treasurer (2019–present) (previously ran for governor)
Former Democratic majority leader of the California Senate (2005–2008) from the 24th district (2001–2010)
Every ingredient's estimate of the final margin.
Each estimate is a margin before national and statewide uncertainty is simulated. Horizon blends polls, fundamentals and a little of the similar-places estimate, weighting each by how precise it is; Pulse uses polls and similar places only.
| Incumbency (+1 D, −1 R) | 0 |
| Fundraising edge (log ratio of individual money) | 0 |
| Elected-experience edge | 0.33 |
| First-term incumbent | 0 |
| Seat's last result vs. expectation | -4.35 |
| Incumbent's last result vs. expectation | 0 |
| Pollster | Dates | Sample | Ma | Romero | Margin | Adjusted |
|---|---|---|---|---|---|---|
| Independent Voter Project | Sep 23–Oct 2 | 2,906 LV | 41 | 31 | D+10 | D+16.2 |
Adjusted: after correcting for the pollster's house effect, registered vs. likely voters, and movement in the national environment since the poll; shown for the polls carrying the most weight in today's average. Larger dots in the chart carry the most weight. Last poll: Oct 2, 2026.
Lean D+23: how much more Democratic or Republican than the nation it votes for president.
American Community Survey 2020–2024, aggregated from census tracts.