Pennsylvania Democrats and Republicans will each vie to maintain control of one legislative chamber while attempting to flip the other.

Gov. Josh Shapiro made his bid for a second term official in an upbeat video Jan. 8 in advance of campaign appearances in Pittsburgh and Philadelphia.

The window for prospective candidates seeking spots on Democratic or Republican primary ballots to circulate and file nomination petitions is Feb. 17 through March 10

Pennsylvania is likely to play a crucial role in determining the balance of power in Congress in the 2026 midterm elections, with four U.S. House seats expected to be competitive — more than any other state.

Ohio Secretary of State Frank LaRose claimed Pennsylvania was “finalizing an agreement” to join a program to “identify people who try to vote illegally.”

Pennsylvanians will head to the polls this March to fill two vacant seats in the state’s House of Representatives. Reps. Torren Ecker (R-Cumberland/Adams) and Lou Schmitt (R-Blair) both resigned after winning judicial seats in November’s municipal election.