2024Final results
2024 election for Iowa's 3rd District
U.S. House · Iowa
Zach Nunn (R) won with 51.8% of the vote, defeating Lanon Baccam (D) by 3.8 points.
Zach NunnRepublican · winner
51.8%213,746
Lanon BaccamDemocrat
47.9%197,962
The same year, the district voted R+29.2 for president; this race was R+3.8.412,905 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 3:26 AM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 3:26 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Lanon BaccamZach Nunn
$5.6M
Raised by the campaign
$5.8M
$5.6M
Spent by the campaign
$5.9M
$25.1K
Cash on hand
$52.8K
Campaign money: FEC, through Dec 31, 2024.
Source: FEC campaign filingsUpdated Dec 31, 2024