2020Final results
2020 election for Pennsylvania Senate District 33
Pennsylvania State Senate · Pennsylvania
Doug Mastriano (R) won with 68.6% of the vote, defeating Richard L. Sterner (D) by 37.3 points.
Doug MastrianoRepublican · winner
68.6%96,029
Richard L. SternerDemocrat
31.4%43,867
139,896 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET