2016Final results
2016 election for Iowa House District 28
Iowa House of Representatives · Iowa
Greg T. Heartsill (R) won with 64.7% of the vote, defeating Martin H. Duffy IV (D) by 29.4 points.
Greg T. HeartsillRepublican · winner · incumbent
64.7%9,593
Martin H. Duffy IVDemocrat
35.2%5,230
14,837 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