electionsmcp › races › Iowa State Senate District 34
Iowa State Senate District 34
The current officeholder, the 2024 result, and a precinct-level model you can run yourself — built from how Iowa actually voted.
Model Iowa State Senate District 34 →
Current officeholder
Dan Zumbach Republican
2024 result
Republican R+33.5
2024 votes cast
32,899
Office
State Senate
Precinct results — 2024 general
47 precincts reported in Iowa State Senate District 34's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 19055-Oneida/N Fork/Bremen | Republican | R+63.1 | 1,562 |
| 19019-Independence 3rd Ward | Republican | R+35.4 | 1,356 |
| 19013-Poyner1/EWL/Raymond/Fox/Jesup | Republican | R+30.5 | 1,350 |
| 19013-Barclay/Benn/Lester/Dunkerton | Republican | R+43.9 | 1,318 |
| 19061-30 Cascade City Hall | Republican | R+29.2 | 1,271 |
| 19019-Jesup | Republican | R+30.3 | 1,191 |
| 19055-Milo/Prairie | Republican | R+40.7 | 1,129 |
| 19019-Quasqueton | Republican | R+41.9 | 1,012 |
| 19055-Manchester Ward 3 | Republican | R+13.5 | 978 |
| 19019-Perry-Washington | Republican | R+31.9 | 975 |
| 19055-Manchester Ward 2 | Republican | R+16.9 | 931 |
| 19055-Honey Creek/Elk | Republican | R+50.6 | 798 |
| 19055-Manchester Ward 1 | Republican | R+14.3 | 772 |
| 19065-Oelwein Ward 4 | Republican | R+5.5 | 739 |
| 19065-Smithfield-Westfield Town | Republican | R+29.2 | 737 |
| 19055-South Fork/Union | Republican | R+44.9 | 729 |
| 19055-Richland/Coffins Grove | Republican | R+33.7 | 691 |
| 19019-Aurora | Republican | R+37.5 | 678 |
| 19055-Delhi/Delaware Corp | Republican | R+50.7 | 678 |
| 19019-Independence 1st Ward | Republican | R+25.9 | 659 |
All 47 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 Iowa State Senate District 34 in five steps
- Set the candidates. Name the contenders for the Iowa 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 Iowa State Senate District 34 in the simulator →
Frequently asked
Who represents Iowa State Senate District 34?
Dan Zumbach (Republican) currently holds this State Senate seat.
What was the 2024 result in Iowa State Senate District 34?
R+33.5 — 10,937 Democratic, 21,962 Republican, of 32,899 votes cast.
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.