2016Final results
2016 election for Iowa House District 84
Iowa House of Representatives · Iowa
Dave Heaton (R) won with 69.5% of the vote, defeating Carrie L. Duncan (D) by 39.0 points.
Dave HeatonRepublican · winner · incumbent
69.5%9,636
Carrie L. DuncanDemocrat
30.5%4,225
13,870 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