There are 20 zip codes in Fulton County, Illinois. The most populated is 61520, located in Canton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
6152016,176Canton
615423,407Lewistown
615313,144Farmington
614272,095Cuba
614151,684Avon
615011,646Astoria
61544872London Mills
61441815Ipava
61484737Vermont
61432686Fairview
61563556Saint David
61482520Table Grove
61477499Smithfield
61524358Dunfermline
61459348Marietta
61431315Ellisville
61553259Norris
61519249Bryant
61543111Liverpool
6143322Fiatt
showing: 20 rows

Zip Codes in Fulton County, Illinois by Population (2024)