There are 416 candidates running in the primaries for the Pennsylvania General Assembly on May 19. Of those, there are 218 incumbents, the most since 2010, running for re-election this year. Twenty-one incumbents (9.6%) are contested. This ties with 2024 for the fewest contested incumbents since 2010.
Pennsylvania is one of 11 states with a divided government and one of two states with a split state legislature. Governor Josh Shapiro is a Democrat. Heading into the elections, Republicans have a 27 to 23 majority in the Pennsylvania Senate, while Democrats have a 102 to 99 majority with two vacancies in the Pennsylvania House. Republicans have had a majority in the state Senate since 1994, and Democrats have had a majority in the House since 2023.
