Bel Air, MD -- U.S. town in Maryland Population (2000): 10080 Housing Units (2000): 4444 Land area (2000): 2.812729 sq. miles (7.284934 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.812729 sq. miles (7.284934 sq. km) FIPS code: 05550 Located within: Maryland (MD), FIPS 24 Location: 39.536707 N, 76.348280 W ZIP Codes (1990): 21014 21015 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Bel Air, MD Bel Air