electionsmcp › races › Iowa State House District 21
Iowa State House District 21
The current officeholder, the 2024 result, and a precinct-level model you can run yourself — built from how Iowa actually voted.
Model Iowa State House District 21 →
Current officeholder
Brooke Boden Republican
2024 result
Republican R+17.4
2024 votes cast
17,350
Office
State House
Precinct results — 2024 general
21 precincts reported in Iowa State House District 21's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 19125-Knoxville Township | Republican | R+41.1 | 1,765 |
| 19181-Indianola 4 | Democratic | D+4.8 | 1,239 |
| 19125-Knoxville Three | Republican | R+19.8 | 1,210 |
| 19181-Indianola 3 | Democratic | D+9.2 | 1,147 |
| 19181-Indianola 2 | Democratic | D+2.9 | 1,139 |
| 19181-Indianola 6 | Republican | R+12.2 | 1,089 |
| 19181-Indianola 1 | Republican | R+1.3 | 1,054 |
| 19181-Indianola 8 | Republican | R+9.4 | 1,040 |
| 19181-Otter | Republican | R+36.5 | 1,004 |
| 19181-Indianola 5 | Republican | R+4.2 | 1,002 |
| 19181-Indianola 7 | Republican | R+10.6 | 893 |
| 19125-Knoxville Two | Republican | R+21.6 | 834 |
| 19125-Knoxville One | Republican | R+22.3 | 793 |
| 19181-White Oak | Republican | R+34.8 | 739 |
| 19125-Knoxville Four | Republican | R+16.3 | 717 |
| 19181-White Breast | Republican | R+49.1 | 405 |
| 19181-Union | Republican | R+38.5 | 325 |
| 19181-Liberty | Republican | R+53.0 | 302 |
| 19125-Union Township | Republican | R+27.4 | 237 |
| 19181-Belmont | Republican | R+54.8 | 221 |
All 21 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 House District 21 in five steps
- Set the candidates. Name the contenders for the Iowa State House District 21 (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 House District 21 in the simulator →
Frequently asked
Who represents Iowa State House District 21?
Brooke Boden (Republican) currently holds this State House seat.
What was the 2024 result in Iowa State House District 21?
R+17.4 — 7,166 Democratic, 10,184 Republican, of 17,350 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.