Catonsville, Maryland, United States [CDP]; population was 35,233 in 1990; housing units was 14,080 in 1990; location is 39°16'N 76°44'W; land area is 14.01 square miles (8,967 acres); water area is 0.00 square miles (1 acres); FIPS code is 14125 [SourceCBP]