'Mount Vernon, IA' definitions:

Mount Vernon, IA -- U.S. city in Iowa

From: Gazetteer 2000
Name :
Mount Vernon, IA -- U.S. city in Iowa
Population (2000) :
3390
Housing Units (2000) :
1192
Land area (2000) :
3.483918 sq. miles (9.023307 sq. km)
Water area (2000) :
0.006246 sq. miles (0.016176 sq. km)
Total area (2000) :
3.490164 sq. miles (9.039483 sq. km)
FIPS code :
54840
Located within :
Iowa (IA), FIPS 19
Location :
41.924096 N, 91.419679 W
ZIP Codes (1990) :
52314
Note :
some ZIP codes may be omitted esp. for suburbs.