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Washington County, Illinois Zip Codes
Zip Code
City
Population
62263
Nashville
5,109
62271
Okawville
1,994
62808
Ashley
1,902
62803
Hoyleton
1,128
62214
Addieville
1,050
62268
Oakdale
1,001
62848
Irvington
514
62877
Richview
441
62831
Du Bois
380
62876
Radom
135
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.