1970Final resultsIncumbent defeated
1970 election for Pennsylvania Senate District 22
Pennsylvania State Senate · Pennsylvania
Robert J. Mellow (D) won with 53.4% of the vote, defeating Arthur A. Piasecki (R) by 7.2 points.
Robert J. MellowDemocrat · winner
53.4%49,748
Arthur A. PiaseckiRepublican · incumbent
46.2%43,061
Henry J. SmithConstitution
0.4%419
93,228 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 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET