electionsmcp › races › Iowa State Senate District 38
Iowa State Senate District 38
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 38 →
Current officeholder
Dave Sires Republican
2024 result
Republican R+1.1
2024 votes cast
34,078
Office
State Senate
Precinct results — 2024 general
28 precincts reported in Iowa State Senate District 38's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 19013-CF 5-3 | Democratic | D+5.9 | 1,872 |
| 19013-WL 1-6 | Republican | R+11.0 | 1,853 |
| 19013-CF 1-2 | Democratic | D+18.9 | 1,681 |
| 19013-CF 5-1 | Democratic | D+14.0 | 1,626 |
| 19013-Hudson | Republican | R+17.7 | 1,625 |
| 19013-CF 5-2 | Democratic | D+5.7 | 1,620 |
| 19013-Big Creek/Spring Creek/LPC | Republican | R+24.2 | 1,585 |
| 19013-CF 3-1 | Republican | R+0.3 | 1,577 |
| 19013-CF 2-3 | Democratic | D+3.5 | 1,575 |
| 19013-CF 3-2 | Democratic | D+4.0 | 1,570 |
| 19013-Cedar/Poyner2/Gilbertville | Republican | R+17.9 | 1,557 |
| 19013-CF 2-2 | Democratic | D+10.1 | 1,535 |
| 19013-CF 3-3 | Republican | R+4.0 | 1,513 |
| 19013-CF 4-2 | Democratic | D+17.1 | 1,409 |
| 19013-CF 4-3 | Democratic | D+11.0 | 1,404 |
| 19013-CF 1-3 | Democratic | D+31.1 | 1,341 |
| 19171-Dysart | Republican | R+30.4 | 1,322 |
| 19013-CF 4-1 | Democratic | D+28.3 | 1,063 |
| 19013-CF 1-1 | Republican | R+7.5 | 977 |
| 19171-Traer | Republican | R+33.1 | 951 |
All 28 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 38 in five steps
- Set the candidates. Name the contenders for the Iowa State Senate District 38 (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 38 in the simulator →
Frequently asked
Who represents Iowa State Senate District 38?
Dave Sires (Republican) currently holds this State Senate seat.
What was the 2024 result in Iowa State Senate District 38?
R+1.1 — 16,846 Democratic, 17,232 Republican, of 34,078 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.