Both of New Jersey's U.S. Senate seats have held by Democrats since 2013.

Clifford P. Case was the last Republican elected to represent New Jersey in the U.S. Senate in 1972.

Case served four consecutive terms before losing the Republican primary in 1978 to Jeff Bell, who himself lost the General election to Democratic challenger Bill Bradley.

Two Republicans have served interim appointments to the Senate since: Nicholas F. Brady and Jeffrey Chiesa.

Out of the 12 seats New Jersey is apportioned in the U.S. House of Representatives, three are held by Republicans: