Baltimore -- U.S. city in Maryland Population (2000): 651154 Housing Units (2000): 300477 Land area (2000): 80.804406 sq. miles (209.282442 sq. km) Water area (2000): 11.273710 sq. miles (29.198774 sq. km) Total area (2000): 92.078116 sq. miles (238.481216 sq. km) Located within: Maryland (MD), FIPS 24 Location: 39.307956 N, 76.617016 W Headwords: Baltimore Baltimore, MD Baltimore city Baltimore city, MD