Additionally, the 2013 United States Senate special election in New Jersey in October was held to fill the seat of Democrat Frank Lautenberg following his death in June 2013.

This remains the last election in which the party that won control of the General Assembly did not win a majority of votes.

Two statewide questions were on the ballot which were approved by voters: Jeffrey Chiesa Republican Cory Booker Democratic The 2013 United States Senate special election in New Jersey was held on October 16, 2013, to fill the New Jersey United States Senate Class 2 seat for the remainder of the term ending January 3, 2015.

The vacancy resulted from the death of five-term Democratic senator Frank Lautenberg on June 3, 2013.

Booker defeated Lonegan on October 16, 2013, and became the first African-American elected to statewide office in New Jersey.