2016Final results
2016 election for Iowa Senate District 28
Iowa State Senate · Iowa
Michael Breitbach (R) won with 58.4% of the vote, defeating Jan Heikes (D) by 22.3 points.
Michael BreitbachRepublican · winner · incumbent
58.4%17,501
Jan HeikesDemocrat
36.1%10,823
Troy HagemanLibertarian
5.5%1,648
29,988 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