2012Final results
2012 election for Pennsylvania's 12th District
U.S. House · Pennsylvania
Keith J. Rothfus (R) won with 51.7% of the vote, defeating Mark S. Critz (D) by 3.5 points.
Keith J. RothfusRepublican · winner
51.7%175,352
Mark S. CritzDemocrat
48.3%163,589
338,941 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.
Mark S. CritzKeith J. Rothfus
$2.7M
Raised by the campaign
$2M
$2.7M
Spent by the campaign
$2M
$3.9K
Cash on hand
$16K
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012