1990Final results
1990 election for Pennsylvania House District 78
Pennsylvania House of Representatives · Pennsylvania
Dick L. Hess (R) won with 66.1% of the vote, defeating Betty A. Diehl (D) by 32.2 points.
Dick L. HessRepublican · winner · incumbent
66.1%10,465
Betty A. DiehlDemocrat
33.9%5,362
15,827 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET