The 2024 United States Senate election in Pennsylvania will be held on November 5, 2024, to elect a member of the United States Senate to represent the state of Pennsylvania. Democratic incumbent Bob Casey Jr. is seeking a fourth term.[1] He is being challenged by Republican businessman David McCormick. Primary elections took place on April 23, 2024.[2] The election is considered essential for Democrats' chances to retain the Senate majority in 2024.[3]