2012Final results
2012 election for U.S. Senate in Missouri
U.S. Senate · Missouri
Claire McCaskill (D) won with 54.8% of the vote, defeating W. Todd Akin (R) by 15.7 points.
Claire McCaskillDemocrat · winner
54.8%1,494,125
W. Todd AkinRepublican
39.1%1,066,159
Jonathan DineLibertarian
6.1%165,468
2,725,793 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 2012
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.
Claire McCaskillW. Todd Akin
$18.8M
Raised by the campaign
$5.6M
$19.7M
Spent by the campaign
$6.1M
$22.4K
Cash on hand
$42.5K
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012