Will County, Illinois Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Joliet1152,625150,3680.25%2,30866 City
Bolingbrook275,04073,8220.32%3,00725 Village
Plainfield351,01044,9551.93%1,95126 Village
Romeoville441,44140,8090.39%2,14519 Village
New Lenox529,20227,2591.07%1,81816 Village
Lockport628,01026,1500.68%2,39012 City
Homer Glen724,96024,5120.35%1,12422 Village
Frankfort821,57620,3140.99%1,38216 Village
Crest Hill920,64820,409-0.23%2,3009 City
Mokena1019,91119,8580.07%2,2819 Village
Shorewood1118,62418,1790.47%2,3048 Village
Channahon1214,75413,4701.54%88017 Village
Manhattan1311,2519,5282.81%1,6677 Village
Crete148,3288,437-0.2%8849 Village
University Park156,9987,131-0.3%65211 Village
Braidwood166,2726,1890.21%1,1845 City
Wilmington175,6115,644-0.05%40014 City
Monee185,1245,1150.1%1,1454 Village
Beecher194,7474,7060.15%1,7343 Village
Peotone204,2444,1540.45%2,1062 Village
Elwood212,2422,2240.22%16414 Village
Rockdale221,9632,002-0.3%1,3911 Village
Wilmington238591-1.16%1081 Village

Will County Cities Summary

Largest City

Joliet is the largest city in Will County, with a population of 152,625.

Smallest City

Wilmington is the smallest city in Will County, with a population of 85.

10 Largest Cities

There are 23 cities in Will County, Illinois.

Location of Will County