Mercer County Illinois Zip Codes

Cities in

Below are a list of the cities located in Mercer County, IL. There are 12 total unique zip codes in Mercer County, Illinois. The time zone for Mercer County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 17131.

The population in Mercer County, IL is currently 15,582. That is a decrease of -6.25% vs the population of 16,434 in 2010.

Zip Codes for Mercer County, IL (12)
Zip Code
 City County
Zip Code Map
61231 Aledo Mercer
61260 Joy Mercer
61263 Matherville Mercer
61272 New Boston Mercer
61276 Preemption Mercer
61281 Sherrard Mercer
61412 Alexis Mercer
61442 Keithsburg Mercer
61465 New Windsor Mercer
61466 North Henderson Mercer
61476 Seaton Mercer
61486 Viola Mercer

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