2016Flipped from DemocraticFinal resultsIncumbent defeated
2016 election for Iowa Senate District 26
Iowa State Senate · Iowa
Waylon Brown (R) won with 62.3% of the vote, defeating Mary Jo Wilhelm (D) by 24.7 points, a seat Democrats won last time.
Waylon BrownRepublican · winner
62.3%19,165
Mary Jo WilhelmDemocrat · incumbent
37.6%11,557
30,750 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET