2018Flipped from RepublicanFinal results
2018 election for Iowa's 1st District
U.S. House · Iowa
Abby Finkenauer (D) won with 51.0% of the vote, defeating Rod Blum (R) by 5.1 points, a seat Republicans won last time.
Abby FinkenauerDemocrat · winner
51.0%170,342
Rod BlumRepublican
45.9%153,442
Troy HagemanLibertarian
3.1%10,285
334,243 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Abby FinkenauerRod Blum
$4.6M
Raised by the campaign
$2.8M
$4.6M
Spent by the campaign
$2.8M
$29K
Cash on hand
$87.7K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018