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County ProfileIL

Will County

Population: 696,355 · 29 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
696,355
People
Median age
39.1
Housing
Total households
244,273
Income
Median household income
$109,984
Housing
Total housing units
254,278
Employment
Employment rate
64.9%
Education
Bachelor’s degree or higher
37.5%
Healthcare
Insured population
94.8%
County details
Local time 02:44:36(CT)
NameWill
Total ZIP codes29total
ZIP codes (by type)
28 Standard1 PO Box
Area code331, 464, 618, 630, 708, 730, 779, 815
TimezoneCentral Time (CT)
Coordinates41.4484742, -87.9784563
Land area835.9 sq miles(2,165 km²)

Map of Will county, Illinois with ZIP codes

Map of Will County, Illinois and ZIP codes

Cities and Communities in Will County

Compare the largest cities in Will County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Joliet150,362$92,2016ZIPs
Bolingbrook73,922$108,4002ZIPs
Plainfield44,762$144,0003ZIPs
Romeoville39,863$106,3251ZIPs
New Lenox27,214$140,8651ZIPs
Lockport26,094$111,9811ZIPs
Homer Glen24,543$136,6781ZIPs
Crest Hill20,459$73,0331ZIPs
Frankfort20,296$154,3751ZIPs
Mokena19,887$123,8891ZIPs
Shorewood18,186$122,1051ZIPs
Channahon13,383$119,4941ZIPs
Manhattan9,385$128,5221ZIPs
Crete8,465$97,1471ZIPs
University Park7,145$73,8441ZIPs
Braidwood6,194$82,2021ZIPs
Monee5,128$91,9691ZIPs
Beecher4,713$103,4151ZIPs
Beecher City4,713$103,4151ZIPs
Peotone4,150$108,5231ZIPs
Elwood2,229$86,4581ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Will County

Review the most populated postal areas across Will County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
60440Bolingbrook$93,49452,031
60435Joliet$76,36948,927
60586Plainfield$131,63747,212
60446Romeoville$106,25840,465
60441Lockport$103,37437,093
60451New Lenox$137,40436,561
60423Frankfort$136,73032,784
60544Plainfield$108,30427,680
60431Joliet$122,87026,853
60448Mokena$120,76125,512
60585Plainfield$155,51124,920
60491Homer Glen$138,57122,999
60490Bolingbrook$150,53121,907
60432Joliet$64,91719,989
60404Shorewood$122,17119,916
60436Joliet$62,96118,535
60403Crest Hill$73,07417,667
60433Joliet$66,51516,526
60417Crete$91,95215,342
60410Channahon$118,97613,503

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS