electionsmcp › races › Iowa State House District 31
Iowa State House District 31
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 31 →
Current officeholder
Mary Lee Madison Democratic
2024 result
Democratic D+100.0
2024 votes cast
12,465
Office
State House
Precinct results — 2024 general
12 precincts reported in Iowa State House District 31's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 19153-WEST DES MOINES 315 | Democratic | D+100.0 | 1,461 |
| 19153-WEST DES MOINES 316 | Democratic | D+100.0 | 1,454 |
| 19153-WEST DES MOINES 114 | Democratic | D+100.0 | 1,309 |
| 19153-WEST DES MOINES 313 | Democratic | D+100.0 | 1,257 |
| 19153-WEST DES MOINES 311 | Democratic | D+100.0 | 1,229 |
| 19153-WEST DES MOINES 312 | Democratic | D+100.0 | 1,069 |
| 19153-WEST DES MOINES 314 | Democratic | D+100.0 | 908 |
| 19153-WEST DES MOINES 113 | Democratic | D+100.0 | 856 |
| 19153-WEST DES MOINES 211 | Democratic | D+100.0 | 797 |
| 19153-WEST DES MOINES 112 | Democratic | D+100.0 | 751 |
| 19049-WEST DES MOINES 227 WDM 227 | Democratic | D+100.0 | 695 |
| 19153-WEST DES MOINES 212 | Democratic | D+100.0 | 679 |
All 12 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 31 in five steps
- Set the candidates. Name the contenders for the Iowa State House District 31 (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 31 in the simulator →
Frequently asked
Who represents Iowa State House District 31?
Mary Lee Madison (Democratic) currently holds this State House seat.
What was the 2024 result in Iowa State House District 31?
D+100.0 — 12,465 Democratic, 0 Republican, of 12,465 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.