electionsmcp › races › Iowa State Senate District 12
Iowa State Senate District 12
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 12 →
Current officeholder
Amy Sinclair Republican
2024 result
Republican R+40.9
2024 votes cast
32,757
Office
State Senate
Precinct results — 2024 general
43 precincts reported in Iowa State Senate District 12's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 19121-Union - Crawford - Scott - Lincoln SE | Republican | R+45.3 | 1,524 |
| 19121-Winterset I | Republican | R+28.7 | 1,517 |
| 19121-Penn - Madison | Republican | R+38.8 | 1,258 |
| 19121-Winterset II | Republican | R+26.6 | 1,258 |
| 19053-Leon | Republican | R+47.7 | 1,220 |
| 19049-Adams/Colfax | Republican | R+42.6 | 1,191 |
| 19049-UNION | Republican | R+41.2 | 1,142 |
| 19121-Jefferson - Lee | Republican | R+36.5 | 1,030 |
| 19185-C02 Corydon | Republican | R+33.9 | 1,005 |
| 19053-Lamoni | Republican | R+18.4 | 998 |
| 19117-Chariton Community Center Precinct | Republican | R+26.9 | 933 |
| 19117-Chariton City Hall Precinct | Republican | R+27.3 | 913 |
| 19121-South | Republican | R+42.0 | 903 |
| 19001-2NE | Republican | R+41.5 | 821 |
| 19001-3SW | Republican | R+54.8 | 796 |
| 19039-NORTH PRECINCT | Republican | R+53.5 | 770 |
| 19121-Walnut - Ohio | Republican | R+50.8 | 768 |
| 19001-1NW | Republican | R+53.6 | 758 |
| 19001-4SE | Republican | R+40.2 | 736 |
| 19053-Van Wert | Republican | R+53.1 | 730 |
All 43 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 12 in five steps
- Set the candidates. Name the contenders for the Iowa State Senate District 12 (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 12 in the simulator →
Frequently asked
Who represents Iowa State Senate District 12?
Amy Sinclair (Republican) currently holds this State Senate seat.
What was the 2024 result in Iowa State Senate District 12?
R+40.9 — 9,682 Democratic, 23,075 Republican, of 32,757 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.