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Johnson County, IA Zip Codes
Johnson County, IA Demographic Information
Population:
111,006
Male Population:
55,254
Female Population:
55,752
Avg House Value:
$131,500
Avg Household Income:
$40,060
Avg Persons Per Household:
2.34
Median Age:
28.40
Median Age (Male):
28.00
Median Age (Female):
28.90
* Demographic data is based on information taken from the 2000 Census.
Johnson County, IA covers 10 Cities
Coralville ,IA
Hills ,IA
Iowa City ,IA
Lone Tree ,IA
North Liberty ,IA
Oakdale ,IA
Oxford ,IA
Solon ,IA
Swisher ,IA
Tiffin ,IA
Johnson County, IA covers 2 Area Codes
319 Area Code
563 Area Code
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