electionsmcp › races › California State Senate District 34
California State Senate District 34
The current officeholder, the 2024 result, and a precinct-level model you can run yourself — built from how California actually voted.
Model California State Senate District 34 →
Current officeholder
Thomas Umberg Democratic
2024 result
being added
Office
State Senate
Precinct results — 2018 general
643 precincts reported in California State Senate District 34's 2018 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 06059-36007A | Republican | R+8.8 | 2,316 |
| 06059-32305A | Republican | R+15.4 | 1,541 |
| 06059-32306A | Republican | R+17.9 | 1,378 |
| 06059-31002A | Republican | R+24.3 | 1,369 |
| 06059-39234A | Republican | R+47.6 | 1,274 |
| 06059-68283A | Democratic | D+31.1 | 1,190 |
| 06059-14236A | Republican | R+1.1 | 1,144 |
| 06059-39373A | Republican | R+31.4 | 1,058 |
| 06059-68701A | Democratic | D+33.0 | 1,048 |
| 06059-31201A | Republican | R+22.8 | 1,031 |
| 06059-14705A | Republican | R+1.8 | 1,022 |
| 06059-39217A | Republican | R+24.2 | 1,019 |
| 06059-36003A | Republican | R+9.4 | 1,018 |
| 06059-32287A | Republican | R+14.4 | 1,016 |
| 06059-32100A | Democratic | D+9.5 | 999 |
| 06059-39223A | Republican | R+34.5 | 974 |
| 06059-14020A | Republican | R+21.7 | 963 |
| 06059-68185A | Republican | R+15.0 | 953 |
| 06059-68057A | Democratic | D+11.5 | 949 |
| 06059-68194A | Republican | R+0.8 | 936 |
All 643 precincts are modelable — open the race in the simulator and drill to precinct grain.
Find your district
Enter a ZIP code or a district (e.g. NC-4) to find your U.S. House district and who represents it.
Model California State Senate District 34 in five steps
- Set the candidates. Name the contenders for the California State Senate District 34 (or keep the generic Democrat / Republican defaults). The map starts from real 2024 results in every precinct.
- Apply a swing. Move vote share statewide, or by demographic cohort, with a slider. The map and the running tally recompute instantly.
- Model turnout. Mobilize or depress turnout for any group — turnout and persuasion are modeled separately, the way a real campaign thinks about them.
- Drill to precincts. Zoom from the state down to individual precincts and override any of them by hand.
- Roll up & share. Roll the result up to chamber control, then publish a shareable, frozen link to your scenario.
Open California State Senate District 34 in the simulator →
Frequently asked
Who represents California State Senate District 34?
Thomas Umberg (Democratic) currently holds this State Senate seat.
What was the 2024 result in California State Senate District 34?
Precinct-level 2024 results for this race are being added.
Can I model this race myself?
Yes — open it in the electionsmcp simulator and model vote-share swing and turnout from the real 2024 baseline, down to the precinct, then roll it up to chamber control.