2018Final results
2018 election for Pennsylvania House District 51
Pennsylvania House of Representatives · Pennsylvania
Matthew David Dowling (R) won with 55.5% of the vote, defeating Tim Mahoney (D) by 10.9 points.
Matthew David DowlingRepublican · winner · incumbent
55.5%10,773
Tim MahoneyDemocrat
44.5%8,650
19,423 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET