Harrington Park, New Jersey, United States [Borough]; population was 4,623 in 1990; housing units was 1,511 in 1990; location is 40°59'N 73°59'W; land area is 1.86 square miles (1,188 acres); water area is 0.21 square miles (136 acres); FIPS code is 30150 [SourceCBP]