2022Final results
2022 election for Iowa's 3rd District
U.S. House · Iowa
Zach Nunn (R) won with 50.3% of the vote, defeating Cynthia Axne (D) by 0.7 points.
Zach NunnRepublican · winner
50.3%156,262
Cynthia AxneDemocrat
49.6%154,117
310,913 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
Money in this race
Each line compares the two campaigns on one scale.
Cynthia AxneZach Nunn
$7.2M
Raised by the campaign
$2.6M
$7.2M
Spent by the campaign
$2.5M
$4.6K
Cash on hand
$101.1K
Campaign money: FEC, through Dec 31, 2022.
Source: FEC campaign filingsUpdated Dec 31, 2022