'Mount Vernon, SD' definitions:

Mount Vernon, SD -- U.S. city in South Dakota

From: Gazetteer 2000
Name :
Mount Vernon, SD -- U.S. city in South Dakota
Population (2000) :
477
Housing Units (2000) :
189
Land area (2000) :
0.320291 sq. miles (0.829551 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.320291 sq. miles (0.829551 sq. km)
FIPS code :
44100
Located within :
South Dakota (SD), FIPS 46
Location :
43.712155 N, 98.261264 W
ZIP Codes (1990) :
57363
Note :
some ZIP codes may be omitted esp. for suburbs.