electionsmcp › races › Iowa State Senate District 20
Iowa State Senate District 20
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 20 →
Current officeholder
Mike Pike Republican
2024 result
Republican R+0.1
2024 votes cast
31,244
Office
State Senate
Precinct results — 2024 general
24 precincts reported in Iowa State Senate District 20's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 19153-ALTOONA 6 | Republican | R+8.2 | 2,535 |
| 19153-ALTOONA 5 | Republican | R+9.9 | 1,934 |
| 19153-ALTOONA 4 | Democratic | D+4.6 | 1,845 |
| 19153-ALTOONA 2 | Democratic | D+4.9 | 1,831 |
| 19153-DES MOINES 24 | Democratic | D+0.9 | 1,783 |
| 19153-ALTOONA 3 | Democratic | D+1.0 | 1,739 |
| 19153-PLEASANT HILL 1 | Republican | R+2.4 | 1,677 |
| 19153-PLEASANT HILL 2 | Democratic | D+0.0 | 1,668 |
| 19153-DES MOINES 22 | Democratic | D+5.5 | 1,449 |
| 19153-SAYLOR 2 | Republican | R+17.5 | 1,445 |
| 19153-ALTOONA 1 | Democratic | D+1.3 | 1,349 |
| 19153-DES MOINES 3 | Democratic | D+8.3 | 1,328 |
| 19153-PLEASANT HILL 4 | Republican | R+8.0 | 1,315 |
| 19153-PLEASANT HILL 3 | Republican | R+9.4 | 1,278 |
| 19153-DELAWARE 1 | Republican | R+13.7 | 1,263 |
| 19153-ANKENY 14 | Democratic | D+2.4 | 1,246 |
| 19153-DES MOINES 23 | Democratic | D+8.6 | 1,090 |
| 19153-ANKENY 13 | Democratic | D+10.6 | 1,025 |
| 19153-DES MOINES 2 | Democratic | D+17.4 | 826 |
| 19153-DES MOINES 25 | Democratic | D+6.0 | 817 |
All 24 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 20 in five steps
- Set the candidates. Name the contenders for the Iowa State Senate District 20 (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 20 in the simulator →
Frequently asked
Who represents Iowa State Senate District 20?
Mike Pike (Republican) currently holds this State Senate seat.
What was the 2024 result in Iowa State Senate District 20?
R+0.1 — 15,600 Democratic, 15,644 Republican, of 31,244 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.