Polls are open in Pennsylvania. Here's how to find your polling place, drop off your mail-in ballot or see who's running in your town.

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.

What you should knowPennsylvania voters head to the polls Tuesday for the primary election, choosing their party nominees in municipal and judicial races.Polls are open from 7 a.m. to 8 p.m. Catch up on all the races and candidates with our voter's guide.