1978Final results
1978 election for Pennsylvania's 8th District
U.S. House · Pennsylvania
Peter Kostmayer (D) won with 61.1% of the vote, defeating G. Roger Bowers (R) by 22.3 points.
Peter KostmayerDemocrat · winner
61.1%89,276
G. Roger BowersRepublican
38.9%56,776
146,052 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