Avon-by-the-Sea, New Jersey, United States [Borough]; population was 2,165 in 1990; housing units was 1,371 in 1990; location is 40°11'N 74°1'W; land area is 0.42 square miles (270 acres); water area is 0.12 square miles (77 acres); FIPS code is 2440 [SourceCBP]