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.
Data after 2023 is projected based on recent change
The racial composition of Thornton includes 69.08% Black or African American, 15.22% White, 8.48% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Black or African American (69.08%)
White (15.22%)
Other race (8.48%)
Two or more races (6.08%)
Asian (1%)
Native American (0.1%)
Native Hawaiian or Pacific Islander (0.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| Black or African American | 106,831 | 69.08% |
| White | 23,536 | 15.22% |
| Other race | 13,113 | 8.48% |
| Two or more races | 9,407 | 6.08% |
| Asian | 1,547 | 1% |
| Native American | 154 | 0.1% |
| Native Hawaiian or Pacific Islander | 57 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Thornton's average per capita income is $41,940. Household income levels show a median of $57,723. The poverty rate stands at 20.56%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,963 | $110,596 |
| Families | $71,425 | $86,266 |
| Households | $57,723 | $73,911 |
| Non Families | $37,444 | $46,598 |
Average Income
Median Household Income
Poverty Rate