Ed Gainey, who was elected to be Pittsburgh’s first Black mayor nearly four years ago, will face Corey O’Connor, the Allegheny County Controller and well-funded son of a beloved former mayor. The primary will probably decide the general election as well, since Pittsburgh has not elected a Republican mayor in nearly a century.

Hello and welcome to PennLive’s coverage of the 2025 primary election. Tonight we will be running down the highlights of today’s key races as they arrive. Perhaps the most notable race happening in central Pennsylvania today is the one for Harrisburg’s mayoral seat,

Voters in the Philadelphia area cast their ballots in the 2025 Pennsylvania primary election on Tuesday. The polls are now closed, and results are starting to come in. See live results for Philadelphia district attorney,