1974Final results
1974 election for Pennsylvania House District 20
Pennsylvania House of Representatives · Pennsylvania
Michael M. Mullen (D) won with 80.7% of the vote, defeating David R. Washington (R) by 61.4 points.
Michael M. MullenDemocrat · winner
80.7%11,740
David R. WashingtonRepublican
19.3%2,803
14,545 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 1974
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)