1974Final results
1974 election for Pennsylvania House District 189
Pennsylvania House of Representatives · Pennsylvania
Martin P. Mullen (D) won re-election with 68.1% of the vote, defeating William J. Sweeney (R) by 36.2 points.
Martin P. MullenDemocrat · winner · incumbent
68.1%9,204
William J. SweeneyRepublican
31.9%4,316
13,520 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)