'Polk City, IA' definitions:

Polk City, IA -- U.S. city in Iowa

From: Gazetteer 2000
Name :
Polk City, IA -- U.S. city in Iowa
Population (2000) :
2344
Housing Units (2000) :
842
Land area (2000) :
2.718082 sq. miles (7.039799 sq. km)
Water area (2000) :
0.007771 sq. miles (0.020128 sq. km)
Total area (2000) :
2.725853 sq. miles (7.059927 sq. km)
FIPS code :
64020
Located within :
Iowa (IA), FIPS 19
Location :
41.770523 N, 93.715873 W
ZIP Codes (1990) :
50226
Note :
some ZIP codes may be omitted esp. for suburbs.