2014Flipped from DemocraticFinal results
2014 election for U.S. Senate in Arkansas
U.S. Senate · Arkansas
Tom Cotton (R) won with 56.5% of the vote, defeating Mark L. Pryor (D) by 17.1 points, a seat Democrats won last time.
Tom CottonRepublican · winner
56.5%478,819
Mark L. PryorDemocrat
39.4%334,174
Nathan LafranceLibertarian
2.0%17,210
Mark H. SwaneyGreen
2.0%16,797
847,505 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.
Mark L. PryorTom Cotton
$11.6M
Raised by the campaign
$13.9M
$13.2M
Spent by the campaign
$13.8M
$135.5K
Cash on hand
$215.9K
Campaign money: FEC, through Dec 31, 2014.
Source: FEC campaign filingsUpdated Dec 31, 2014
The candidates
Tom Cotton (R)Mark L. Pryor (D)
Also on the ballot: Nathan Lafrance (Libertarian), 2.0%; Mark H. Swaney (Green), 2.0%