Monmouth Junction, NJ
Monmouth Junction is a census-designated place and unincorporated area located within South Brunswick Township, in Middlesex County, New Jersey. As of the United States 2000 Census, the CDP population was 2,721.
Monmouth Junction is located at 40°22′51″N 74°32′37″W / 40.380823°N 74.543503°W / 40.380823; -74.543503 (40.380823, -74.543503).
According to the United States Census Bureau, the CDP has a total area of 3.9 km2 (1.5 mi2). 3.9 km2 (1.5 mi2) of it is land and 0.66% is water.