Washington County Illinois Zip Codes

Cities in

Below are a list of the cities located in Washington County, IL. There are 10 total unique zip codes in Washington County, Illinois. The time zone for Washington County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 17189.

The population in Washington County, IL is currently 13,655. That is a decrease of -7.14% vs the population of 14,716 in 2010.

Zip Codes for Washington County, IL (10)
Zip Code
 City County
Zip Code Map
62214 Addieville Washington
62263 Nashville Washington
62268 Oakdale Washington
62271 Okawville Washington
62803 Hoyleton Washington
62808 Ashley Washington
62831 Du Bois Washington
62848 Irvington Washington
62876 Radom Washington
62877 Richview Washington

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