Communities in Mercer County, Illinois, USA

• Aledo is the County Seat. Aledo, Texas is named after Aledo, Illinois.
• Alexis
• Boden
• Burgess
• Cable *
• Eliza
• Gilchrist *
• Hamlet
• Joy
• Keithsburg
• Mannon
• Marston
• Matherville
• Millersburg
• New Boston
• New Windsor
• North Henderson
• Norwood
• Petersville
• Preemption
• Seaton
• Shale City *
• Sherrard
• Sugar Grove *
• Sunbeam
• Swedona *
• Viola
• Wanlock *