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Iowa State Senate District 28
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 28 →
Current officeholder
Dennis Guth Republican
2024 result
Republican R+39.0
2024 votes cast
30,487
Office
State Senate
Precinct results — 2024 general
48 precincts reported in Iowa State Senate District 28's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 19081-Precinct #6 | Republican | R+46.1 | 1,828 |
| 19079-Precinct 7 Southeast | Republican | R+37.4 | 1,549 |
| 19197-Belmond Precinct | Republican | R+34.5 | 1,426 |
| 19081-Precinct #4 | Republican | R+54.4 | 1,260 |
| 19169-STORY CITY 2/LAFAYETTE/HOWARD 2 | Republican | R+11.5 | 1,222 |
| 19079-Precninct 3 WC 3 | Republican | R+23.3 | 1,150 |
| 19079-Precinct 6 Southwest | Republican | R+41.2 | 1,119 |
| 19091-Precinct 1 | Republican | R+53.4 | 1,077 |
| 19169-ROLAND/HOWARD TWP | Republican | R+13.5 | 1,075 |
| 19079-Precinct 2 WC 2 | Republican | R+12.3 | 1,063 |
| 19197-Clarion Precinct | Republican | R+38.0 | 1,016 |
| 19169-STORY CITY 1 | Republican | R+9.6 | 998 |
| 19091-Precinct 6 | Republican | R+51.4 | 946 |
| 19069-Richland/Ross/West Fork | Republican | R+50.9 | 921 |
| 19091-Precinct 2 | Republican | R+42.3 | 897 |
| 19091-Precinct 3 | Republican | R+45.8 | 896 |
| 19079-Precinct 1 WC 1 | Republican | R+22.3 | 873 |
| 19079-Precinct 4 Northwest | Republican | R+41.8 | 684 |
| 19081-Precinct #1 | Republican | R+40.8 | 676 |
| 19079-Precinct 5 Northeast | Republican | R+51.5 | 643 |
All 48 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 28 in five steps
- Set the candidates. Name the contenders for the Iowa State Senate District 28 (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 28 in the simulator →
Frequently asked
Who represents Iowa State Senate District 28?
Dennis Guth (Republican) currently holds this State Senate seat.
What was the 2024 result in Iowa State Senate District 28?
R+39.0 — 9,302 Democratic, 21,185 Republican, of 30,487 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.