Template:Mercer County, Illinois

v • d • e Municipalities and communities of Mercer County, Illinois

County seat: Aledo

Cities	Aledo \| Keithsburg \| New Boston

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

Unincorporated communities	Boden \| Burgess \| Cable \| Eliza \| Gilchrist \| Hamlet \| Mannon \| Marston \| Millersburg \| Petersville \| Preemption \| Shale City \| Sunbeam \| Swedona \| Wanlock

Footnotes	‡This populated place also has portions in an adjacent county or counties