1978Final results
1978 election for Pennsylvania's 20th District
U.S. House · Pennsylvania
Joseph Gaydos (D) won with 72.1% of the vote, defeating Kathleen M. Meyer (R) by 44.3 points.
Joseph GaydosDemocrat · winner
72.1%97,745
Kathleen M. MeyerRepublican
27.9%37,745
135,490 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