Warren County Illinois Zip Codes

Cities in

Below are a list of the cities located in Warren County, IL. There are 8 total unique zip codes in Warren County, Illinois. The time zone for Warren County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 17187.

The population in Warren County, IL is currently 16,531. That is a decrease of -5.88% vs the population of 17,707 in 2010.

Zip Codes for Warren County, IL (8)
Zip Code
 City County
Zip Code Map
61417 Berwick Warren
61423 Cameron Warren
61435 Gerlaw Warren
61447 Kirkwood Warren
61453 Little York Warren
61462 Monmouth Warren
61473 Roseville Warren
61478 Smithshire Warren

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