2025Flipped from RepublicanFinal resultsSpecial election
2025 special election for Iowa Senate District 35
Iowa State Senate · Iowa
Mike Zimmer (D) won with 51.7% of the vote, defeating Katie Whittington (R) by 3.6 points, flipping a seat Republicans held.
Mike ZimmerDemocrat · winner
51.7%4,812
Katie WhittingtonRepublican
48.1%4,474
9,305 votes
Source: English WikipediaUpdated Oct 13, 2026, 8:26 AM ET
The seat over time
D − R margin in this seat's races around 2025
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)