- See also: Princeton Township, New Jersey and Princeton, New Jersey
The
Borough of Princeton was a
borough until December 31, 2012, that is now one of the two former municipalities making up
Princeton, New Jersey. It was located in
Mercer County,
New Jersey, and was completely surrounded by the former
Princeton Township, from which it was formed in 1894. As of the
2010 United States Census, the borough had a population of 12,307, reflecting a decline of 1,896 (-13.3%) from the 14,203 counted in the
2000 Census, which had in turn increased by 2,187 (+18.2%) from the 12,016 counted in the
1990 Census.