1978Flipped from DemocraticFinal results
1978 election for Pennsylvania's 23rd District
U.S. House · Pennsylvania
William Clinger (R) won with 54.3% of the vote, defeating Joseph S. Ammerman (D) by 8.6 points, a seat Democrats won last time.
William ClingerRepublican · winner
54.3%73,194
Joseph S. AmmermanDemocrat
45.7%61,657
134,851 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