2016Final resultsIncumbent defeated
2016 election for Pennsylvania House District 51
Pennsylvania House of Representatives · Pennsylvania
Matthew David Dowling (R) won with 53.1% of the vote, defeating Tim Mahoney (D) by 6.1 points.
Matthew David DowlingRepublican · winner
53.1%13,318
Tim MahoneyDemocrat · incumbent
46.9%11,779
The same year, the district voted R+35.9 for president; this race was R+6.1.25,097 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET