This is the 2020 race. The latest: 2026 →

2020Final results

2020 election for Pennsylvania House District 178

Pennsylvania House of Representatives · Pennsylvania

Wendi Thomas (R) won with 55.5% of the vote, defeating Ann Marie Mitchell (D) by 10.9 points.

Wendi ThomasRepublican · winner · incumbent
55.5%24,749
44.5%19,879
44,628 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

EvenR+38.12010R+22.12016R+1.72018R+10.92020R+13.12022R+22.72024

Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET