1978Final results
1978 election for Pennsylvania's 18th District
U.S. House · Pennsylvania
Douglas Walgren (D) won with 57.1% of the vote, defeating Ted Jacob (R) by 15.0 points.
Douglas WalgrenDemocrat · winner
57.1%88,299
Ted JacobRepublican
42.1%65,088
James GelvinOther party
0.8%1,284
154,671 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