electionsmcp › races › Iowa State Senate District 28
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
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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.