Washington County, Illinois

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

County Statistics

Total Population 13,654
Median Household Income $72,637
Median Age 43.2
Unemployment Rate 4.3%
Poverty Rate 8.3%
ZIP Codes 10

Largest ZIP Codes in Washington County

ZIP Code City Population Median Income
62263Nashville5,109$71,761
62271Okawville1,994$70,625
62808Ashley1,902$64,613
62803Hoyleton1,128$83,438
62214Addieville1,050$93,389

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Washington County