There are 24 zip codes in McLean County, Illinois. The most populated is 61761, located in Normal. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
6176153,423Normal
6170437,517Bloomington
6170135,480Bloomington
6170512,746Bloomington
617454,507Heyworth
617524,461Le Roy
617533,279Lexington
617482,732Hudson
617362,578Downs
617262,508Chenoa
617322,017Danvers
617441,506Gridley
617761,321Towanda
617281,301Colfax
617701,146Saybrook
617541,107McLean
61774836Stanford
61722701Arrowsmith
61737444Ellsworth
61724439Bellflower
61730369Cooksville
61720319Anchor
61772252Shirley
61731145Cropsey

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