2018Flipped from DemocraticFinal resultsIncumbent defeated
2018 election for Iowa Senate District 29
Iowa State Senate · Iowa
Carrie Koelker (R) won with 53.5% of the vote, defeating Tod R. Bowman (D) by 7.1 points, a seat Democrats won last time.
Carrie KoelkerRepublican · winner
53.5%15,493
Tod R. BowmanDemocrat · incumbent
46.4%13,437
28,940 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET