Mercerville-Hamilton Square, New Jersey, United States [CDP]; population was 26,873 in 1990; housing units was 9,365 in 1990; location is 40°14'N 74°40'W; land area is 7.69 square miles (4,920 acres); water area is 0.02 square miles (14 acres); FIPS code is 45495 [SourceCBP]
