Eatontown, New Jersey, United States [Borough]; population was 13,800 in 1990; housing units was 6,093 in 1990; location is 40°17'N 74°3'W; land area is 5.92 square miles (3,786 acres); water area is 0.01 square miles (5 acres); FIPS code is 19840 [SourceCBP]