Joliet Flag

Joliet

County:
Will County
County Seat:
Yes
Area (mi²):
66.123
State:
Illinois

Joliet is a city located in Will County, Illinois. Joliet has a 2026 population of 151,837. It is also the county seat of Will County. Joliet is currently growing at a rate of 0.5% annually and its population has increased by 0.99% since the most recent census, which recorded a population of 150,352 in 2020.

151.8K
Total Population
2,296
Density (mi²)
756 0.5%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)