1978Flipped from DemocraticFinal results
1978 election for Pennsylvania's 15th District
U.S. House · Pennsylvania
Donald Ritter (R) won with 53.2% of the vote, defeating Fred B. Rooney (D) by 6.4 points, a seat Democrats won last time.
Donald RitterRepublican · winner
53.2%65,986
Fred B. RooneyDemocrat
46.8%58,077
124,063 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 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET