Thornton Flag

Thornton

County:
Cook County
County Seat:
No
Area (mi²):
46.897
State:
Illinois

Thornton is located in Cook County, Illinois. Thornton has a 2025 population of 153,775 . Thornton is currently growing at a rate of 0.67% annually but its population has decreased by -2.22% since the most recent census, which recorded a population of 157,268 in 2020.

The average household income in Thornton is $73,911 with a poverty rate of 20.56%. The median age in Thornton is 38.3 years: 35.1 years for males, and 41.1 years for females. For every 100 females there are 91.5 males.

153.8K
Total Population
3,279
Density (mi²)
1K 0.67%
Growth

Thornton 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)