Democrat Jen Mazzocco and Republican Joseph Leckenby are facing off for Pennsylvania’s 42nd House District seat on Tuesday.

A special election was held for the seat, which was vacated when Democratic Rep. Dan Miller resigned after being elected to the Allegheny County Court of Common Pleas. The 42nd District includes Baldwin Township, Castle Shannon, Dormont, Mt. Lebanon and parts of Upper St. Clair.

Mazzocco is a Dormont Borough councilmember, teacher at Pittsburgh Allderdice High School and a University of Pittsburgh alumna. Leckenby is an attorney and a Duquesne University alumnus. He ran against Miller in the 2024 general election and lost. 

Heading into Tuesday, House Democrats held a 100-98 majority in Harrisburg. There are five vacancies. 

Polls closed at 8 p.m. Here’s a real-time look at the election results for the 42nd House District.

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