Cities and towns

• Peoria
• Pekin
• Chillicothe
• Bartonville
• Peoria Heights
• West Peoria
• Farmington
• Elmwood
• Bellevue
• Princeville
• Dunlap
• Hanna City
• Glasford
• Brimfield
• Norwood
• Kingston Mines
• Mapleton

Unincorporated communities

• Lake Camelot
• Mossville
• Rome
• Smithville
• Trivoli