2022Final results
2022 election for Iowa House District 31
Iowa House of Representatives · Iowa
Mary Madison (D) won with 56.5% of the vote, defeating Justin Pearson (R) by 13.0 points.
Mary MadisonDemocrat · winner
56.5%8,038
Justin PearsonRepublican
43.4%6,181
14,230 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET