Template:Mercer County, Illinois

v t e Municipalities and communities of Mercer County, Illinois, United States
County seat: Aledo
Cities	Aledo Keithsburg New Boston	Map of Illinois highlighting Mercer County
Villages	Alexis‡ Joy Matherville North Henderson Reynolds‡ Seaton Sherrard Viola Windsor
Townships	Abington Duncan Eliza Greene Keithsburg Mercer Millersburg New Boston North Henderson Ohio Grove Perryton Preemption Richland Grove Rivoli Suez
CDPs	Cable Eliza Hamlet Millersburg Preemption Swedona
Other communities	Boden Burgess Gilchrist Mannon Marston Petersville Shale City Sunbeam Wanlock
Footnotes	‡This populated place also has portions in an adjacent county or counties
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