2010Flipped from DemocraticFinal results
2010 election for Pennsylvania's 3rd District
U.S. House · Pennsylvania
Mike Kelly (R) won with 55.7% of the vote, defeating Kathleen Dahlkemper (D) by 11.4 points, a seat Democrats won last time.
Mike KellyRepublican · winner
55.7%111,909
Kathleen DahlkemperDemocrat
44.3%88,924
200,833 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 2010
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.
Kathleen DahlkemperMike Kelly
$2M
Raised by the campaign
$1.3M
$2M
Spent by the campaign
$1.3M
$15.3K
Cash on hand
$28.5K
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010