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 2025 population of 150,647. It is also the county seat of Will CountyJoliet is currently growing at a rate of 0.05% annually and its population has increased by 0.26% since the most recent census, which recorded a population of 150,251 in 2020.

The average household income in Joliet is $103,281 with a poverty rate of 11.03%.The median age in Joliet is 35.3 years: 34.4 years for males, and 36 years for females.

150.6K
Total Population
2,278
Density (mi²)
79 0.05%
Growth

Joliet Population

Demographics

Economics and Income Statistics

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)