2014Flipped from DemocraticFinal results
2014 election for U.S. Senate in Iowa
U.S. Senate · Iowa
Joni Ernst (R) won with 52.1% of the vote, defeating Bruce L. Braley (D) by 8.3 points, a seat Democrats won last time.
Joni ErnstRepublican · winner
52.1%588,575
Bruce L. BraleyDemocrat
43.8%494,370
Rick StewartIndependent
2.4%26,815
Douglas ButzierLibertarian
0.7%8,232
Bob QuastOther party
0.5%5,873
Ruth SmithIndependent
0.4%4,724
1,129,700 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2014
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Bruce L. BraleyJoni Ernst
$12.1M
Raised by the campaign
$12M
$12.1M
Spent by the campaign
$11.9M
$14.7K
Cash on hand
$97.9K
Other candidates' campaigns: Bob Quast $20.9K.
Campaign money: FEC, through Dec 31, 2014.
Source: FEC campaign filingsUpdated Dec 31, 2014
The candidates
Joni Ernst (R)Bruce L. Braley (D)
Also on the ballot: Rick Stewart (Independent), 2.4%; Douglas Butzier (Libertarian), 0.7%; Bob Quast (Other party), 0.5%; Ruth Smith (Independent), 0.4%