2020Final results
2020 election for Iowa House District 40
Iowa House of Representatives · Iowa
John Forbes (D) won with 59.7% of the vote, defeating Jon Coen (R) by 19.6 points.
John ForbesDemocrat · winner · incumbent
59.7%10,589
Jon CoenRepublican
40.1%7,108
17,725 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET