Elections for the Pennsylvania State Senate were held on November 5, 2002, with even-numbered districts being contested.

[5] This was the first Pennsylvania State Senate election held after the constitutionally-mandated[6] decennial reapportionment plan.

Robert C. Wonderling succeeded the retiring Republican senator, Edwin G. Holl.

John C. Rafferty, Jr. succeeded Republican Senator James W. Gerlach, who successfully ran for Pennsylvania's 6th congressional district.

Jim Ferlo, a veteran member of Pittsburgh's City Council, succeeded the retiring Democratic senator Leonard J.