ZipCode.org
 
 

Washington County, IA Zip Codes

Washington County, IA Demographic Information

Population:
20,670
Male Population:
9,961
Female Population:
10,709
Avg House Value:
$83,600
Avg Household Income:
$39,103
Avg Persons Per Household:
2.50
Median Age:
38.80
Median Age (Male):
37.40
Median Age (Female):
40.10
 
* Demographic data is based on information taken from the 2000 Census.

Washington County, IA covers 8 Cities

 
Ainsworth ,IA
Brighton ,IA
Crawfordsville ,IA
Kalona ,IA
Riverside ,IA
Washington ,IA
Wellman ,IA
West Chester ,IA

Washington County, IA covers 2 Area Codes

 
319 Area Code
641 Area Code