Mercer Zip Codes

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Mercer is a county of Illinois. It has a land area of 562 square miles. The population of Mercer was 16,434 in 2010 with a negative growth rate of -3.1% since the year 2000.

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• Aledo, Alexis, Boden, Cable, Eliza, Hamlet, Joy, Keithsburg, Matherville, Mercer, N Henderson, New Boston, New Windsor, North Henderson, Ohio Grove, Old Gilchrist, Preemption, Richland Grove, Seaton, Shale City, Shanghai City, Sherrard, Sunbeam, Viola, Wanlock
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