Primary
Primary held June 2, 2026.
Democratic Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Derek Tran ✓ | 86,184 | 53.8% |
Republican Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Chuong V. Vo ✓ | 24,591 | 15.3% | |
| Chi "Charlie" Nguyen | 18,846 | 11.8% | |
| Tom Vo | 13,643 | 8.5% | |
| Mark Leonard | 9,516 | 5.9% | |
| Amy Phan West | 7,526 | 4.7% |
Full calendar and every race: California primary guide
Race Overview
Candidates
Average reflects all polls from the last 90 days; table shows the most recent 30 days or the newest 3 polls, whichever is more. How accurate is each pollster? →
No polls in the last 90 days.
Questions About This Race
Is the 2026 CA-45 House race competitive?
Yes — the expert consensus rates it Lean D: Democrats are favored, but the race is competitive.
When is the 2026 CA-45 House race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of every scientific public poll of the race from the last 90 days — we do not exclude pollsters. Each race page lists the individual polls behind the average with pollster, field dates, sample size, and margin of error. Full details: pollingsource.com/methodology.
Race Notes
Orange County; flipped D 2024
Independent Expenditures Updated 3 hours ago
Top Spenders
- ORANGE COUNTY PAC $11,283
- HEALTH CARE SAVES LIVES $6,200
- THE CONSERVATIVE CAUCUS DBA AMERICANS FOR CONSTITUTIONAL LIBERTY $4,552
- GIVEGREEN UNITED ACTION $562
- INDIGO PAC $317
- COURAGE CALIFORNIA SUPER PAC $156
- PLANNED PARENTHOOD OF ORANGE AND SAN BERNARDINO COUNTIES' COMMUNITY ACTION FUND PAC $45
- PLANNED PARENTHOOD ADVOCACY PROJECT LOS ANGELES COUNTY ACTION FUND $38
- SIERRA CLUB INDEPENDENT ACTION $10
Full outside-spending research — every committee, every race →
Race News
No news coverage yet for this race.