'St. Mary's County, MD' definitions:
St. Mary's -- U.S. County in Maryland
From: Gazetteer 2000
Name :
St. Mary's -- U.S. County in Maryland
Population (2000) :
86211
Housing Units (2000) :
34081
Land area (2000) :
361.250635 sq. miles (935.634810 sq. km)
Water area (2000) :
403.252362 sq. miles (1044.418779 sq. km)
Total area (2000) :
764.502997 sq. miles (1980.053589 sq. km)
Located within :
Maryland (MD), FIPS 24
Location :
38.293917 N, 76.597626 W