Madison Park, New Jersey, United States [CDP]; population was 7,490 in 1990; housing units was 2,968 in 1990; location is 40°27'N 74°18'W; land area is 1.64 square miles (1,052 acres); water area is 0.02 square miles (13 acres); FIPS code is 42540 [SourceCBP]