The 28th Pennsylvania House of Representatives District is in southwestern Pennsylvania and has been represented by Jeremy Shaffer since 2025.

The 28th Pennsylvania House of Representatives District is located in Allegheny County and includes the following areas:[1] On January 23, 2020, the incumbent office-holder, Mike Turzai, announced that he would be retiring from office at the end of his current term, to seek opportunities in the private sector.

[12] Candidates to replace him included: Republican Party:[13] Democratic Party: On June 2, 2020, Pennsylvania held its primary election.

The Republican nomination was the only one contested, and its results were:[14]