Will County, Illinois Cities (2026)

23 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Joliet1152,579150,3520.24%2,30866 City
Bolingbrook275,22073,8270.31%3,01425 Village
Plainfield350,83644,9701.96%1,94526 Village
Romeoville441,36140,8090.22%2,14119 Village
New Lenox529,09827,2431.07%1,81116 Village
Lockport627,29626,1530.7%2,32912 City
Homer Glen725,02824,5000.35%1,12722 Village
Frankfort821,58420,3120.99%1,38216 Village
Crest Hill920,12620,417-0.24%2,2429 City
Mokena1019,94019,8640.07%2,2849 Village
Shorewood1118,69118,1840.46%2,3128 Village
Channahon1214,84613,4831.55%88517 Village
Manhattan1311,3939,5302.81%1,6887 Village
Crete148,3398,434-0.19%8869 Village
University Park156,9997,131-0.31%65211 Village
Braidwood166,2736,1880.22%1,1845 City
Wilmington175,6185,650-0.09%40014 City
Monee185,1515,1140.12%1,1514 Village
Beecher194,7384,7040.13%1,7303 Village
Peotone204,2664,1510.45%2,1172 Village
Elwood212,2592,2250.27%16614 Village
Rockdale221,9672,005-0.3%1,3941 Village
Wilmington238490-1.18%1071 Village

Will County Cities Summary

Largest City

Joliet is the largest city in Will County, with a population of 152,579.

Smallest City

Wilmington is the smallest city in Will County, with a population of 84.

10 Largest Cities

There are 23 cities in Will County, Illinois.

Location of Will County