Washington County, Iowa

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

County Statistics

Total Population 24,479
Median Household Income $74,807
Median Age 39.2
Unemployment Rate 2.5%
Poverty Rate 8.5%
ZIP Codes 8

Largest ZIP Codes in Washington County

ZIP Code City Population Median Income
52353Washington8,930$60,409
52247Kalona5,222$79,476
52327Riverside3,691$80,642
52356Wellman2,577$57,193
52201Ainsworth1,508$96,563

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Washington County