"51st state" is a phrase that refers to areas considered candidates for addition to the 50 states already part of the United States. 51st State may also refer to: "51st State" (song), a 1986 song by New Model Army The 51st State, a 2001 British film 51st State, a 1998 novel by Peter Preston 51st State, a 2010 board game See also Area 51, a highly classified United States Air Force facility located within the Nevada Test and Training Range