2012Final results
2012 election for Pennsylvania Senate District 5
Pennsylvania State Senate · Pennsylvania
Michael J. Stack III (D) won with 71.6% of the vote, defeating Michael Joseph Tomlinson (R) by 43.3 points.
Michael J. Stack IIIDemocrat · winner · incumbent
71.6%65,587
Michael Joseph TomlinsonRepublican
28.4%25,954
91,541 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 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET