[8] Republican Matthew W. Good easily defeated Democrat Brian C. McGrath to take the seat.

A special election for the 152nd legislative district was held on March 9, 2004, following the January 2004 death of Roy Cornell.

The seat vacated by the retirement of Democrat Guy Travaglio was won by Republican Brian L. Ellis.

In the 4th legislative district, incumbent Democrat Tom Scrimenti was defeated by Republican Curt Sonney.

In the 148th legislative district, incumbent Republican Melissa Murphy Weber was defeated by Democrat Mike Gerber.