Pikesville, Maryland, United States [CDP]; population was 24,815 in 1990; housing units was 11,455 in 1990; location is 39°23'N 76°42'W; land area is 11.97 square miles (7,663 acres); water area is 0.01 square miles (5 acres); FIPS code is 61400 [SourceCBP]