Diamondhead, Mississippi, United States [CDP]; population was 2,661 in 1990; housing units was 1,871 in 1990; location is 30°23'N 89°22'W; land area is 11.34 square miles (7,258 acres); water area is 0.37 square miles (235 acres); FIPS code is 19100 [SourceCBP]
