2020Final results
2020 election for Pennsylvania House District 139
Pennsylvania House of Representatives · Pennsylvania
Michael T. Peifer (R) won with 68.4% of the vote, defeating Marian S. Keegan (D) by 36.9 points.
Michael T. PeiferRepublican · winner · incumbent
68.4%24,555
Marian S. KeeganDemocrat
31.6%11,330
35,885 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET