2010Final results
2010 election for Pennsylvania Senate District 12
Pennsylvania State Senate · Pennsylvania
Stewart Greenleaf Jr. (R) won re-election with 64.0% of the vote, defeating Ruth S. Damsker (D) by 28.0 points.
Stewart Greenleaf Jr.Republican · winner · incumbent
64.0%62,748
Ruth S. DamskerDemocrat
36.0%35,266
98,014 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 2010
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)