Margate City, New Jersey, United States [City]; population was 8,431 in 1990; housing units was 6,726 in 1990; location is 39°20'N 74°30'W; land area is 1.41 square miles (900 acres); water area is 0.18 square miles (112 acres); FIPS code is 43890 [SourceCBP]