2012Final results
2012 election for Kansas's 4th District
U.S. House · Kansas
Mike Pompeo (R) won with 62.2% of the vote, defeating Robert Leon Tillman (D) by 30.6 points.
Mike PompeoRepublican · winner
62.2%161,094
Robert Leon TillmanDemocrat
31.6%81,770
Thomas JeffersonLibertarian
6.2%16,058
258,922 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.
Robert Leon TillmanMike Pompeo
$65.6K
Raised by the campaign
$1.9M
$57.7K
Spent by the campaign
$787.7K
$14.2K
Cash on hand
$1.3M
Campaign money: FEC, through Dec 3, 2012; FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012