2020Final results
2020 election for Pennsylvania House District 18
Pennsylvania House of Representatives · Pennsylvania
K.C. Tomlinson (R) won with 52.4% of the vote, defeating Harold M. Hayes (D) by 4.7 points.
K.C. TomlinsonRepublican · winner
52.4%16,687
Harold M. HayesDemocrat
47.6%15,188
31,875 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