1978Final results
1978 election for Pennsylvania House District 21
Pennsylvania House of Representatives · Pennsylvania
Frank J. Pistella (D) won with 54.7% of the vote, defeating Tom Hartnett (R) by 9.4 points.
Frank J. PistellaDemocrat · winner
54.7%8,605
Tom HartnettRepublican
45.3%7,130
15,735 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET