Allegheny County Controller Corey O’Connor defeated Pittsburgh Mayor Ed Gainey in the city’s hotly contested Democratic mayoral primary, The Associated Press projected Tuesday, after a race which garnered national attention as a notable proxy fight between progressives and center-left Democrats.
With more than 85% of the vote in, O’Connor led Gainey 54%-46% in the nominating contest.
Tuesday’s election was one of the first major Democratic primaries since the 2024 election in which the party’s progressive and center-left wings faced off. And the mayoral race followed an election cycle where Democratic governance of cities took center-stage in Republican campaign messaging.
Gainey and his allies painted O’Connor, the county controller and the son of a former mayor, as beholden to President Donald Trump and monied real estate interests, pointing to campaign donations from Trump backers and developers. The mayor, who was first elected in 2021, also pointed to drops in violent crime, local job growth and the city’s improved credit ratings to counter O’Connor, who portrayed Gainey as an unproductive mayor who’s failed at managing city finances, its police department, and on general quality-of-life fronts
O’Connor launched his campaign late last year, emerging as a favorite early on and raising more money than Gainey, though polling