'San Mar' definitions:
San Mar, MD -- U.S. Census Designated Place in Maryland
From: Gazetteer 2000
Name :
San Mar, MD -- U.S. Census Designated Place in Maryland
Population (2000) :
515
Housing Units (2000) :
178
Land area (2000) :
1.306461 sq. miles (3.383718 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
1.306461 sq. miles (3.383718 sq. km)
FIPS code :
70300
Located within :
Maryland (MD), FIPS 24
Location :
39.551764 N, 77.646241 W
Note :
some ZIP codes may be omitted esp. for suburbs.