Johnson County, Iowa

Browse all ZIP codes in Johnson County, Iowa. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 151,000
Median Household Income $79,026
Median Age 31.7
Unemployment Rate 3.7%
Poverty Rate 17.8%
ZIP Codes 12

Largest ZIP Codes in Johnson County

ZIP Code City Population Median Income
52240Iowa City36,475$52,727
52241Coralville22,494$67,691
52246Iowa City22,340$51,627
52317North Liberty22,119$102,809
52245Iowa City22,088$75,455

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Johnson County