There are 14 zip codes in Logan County, Illinois. The most populated is 62656, located in Lincoln. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
6265618,216Lincoln
617232,498Atlanta
625482,202Mount Pulaski
62634984Elkhart
62643696Hartsburg
62635671Emden
62543652Latham
62671530New Holland
62666517Middletown
62512502Beason
62518181Chestnut
6175160Lawndale
6251946Cornland
6254146Lake Fork

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