There are 30 zip codes in Will County, Illinois. The most populated is 60440, located in Bolingbrook. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
6044051,412Bolingbrook
6043548,574Joliet
6058648,029Plainfield
6056446,832Naperville
6044641,253Romeoville
6045137,488New Lenox
6044137,046Lockport
6042332,596Frankfort
6054428,073Plainfield
6043127,357Joliet
6058524,754Plainfield
6044824,626Mokena
6049122,779Homer Glen
6049022,343Bolingbrook
6043220,483Joliet
6040419,668Shorewood
6043618,452Joliet
6040317,225Crest Hill
6050316,660Aurora
6043315,485Joliet
6041715,390Crete
6041013,970Channahon
6044213,135Manhattan
6048111,303Wilmington
604499,564Monee
604017,833Beecher
604846,633University Park
604685,782Peotone
604085,307Braidwood
604213,850Elwood
showing: 30 rows

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