2016Final results
2016 election for Iowa's 3rd District
U.S. House · Iowa
David Young (R) won with 53.4% of the vote, defeating Jim Mowrer (D) by 13.7 points.
David YoungRepublican · winner
53.4%208,598
Jim MowrerDemocrat
39.7%155,002
Bryan Jack HolderLibertarian
3.9%15,372
Claudia AddyIndependent
1.6%6,348
Joe GrandanetteIndependent
1.2%4,518
390,287 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Jim MowrerDavid Young
$2M
Raised by the campaign
$2.5M
$2M
Spent by the campaign
$2.5M
$2.7K
Cash on hand
$84.1K
Campaign money: FEC, through Dec 31, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016
The candidates
David Young (R)Jim Mowrer (D)
Also on the ballot: Bryan Jack Holder (Libertarian), 3.9%; Claudia Addy (Independent), 1.6%; Joe Grandanette (Independent), 1.2%