Thornton township Flag

Thornton township

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

Thornton township is located in Cook County, Illinois. Thornton township has a 2026 population of 154,791. Thornton township is currently growing at a rate of 0.66% annually but its population has decreased by -1.58% since the most recent census, which recorded a population of 157,268 in 2020.

The median household income in Thornton township is $58,534 with a poverty rate of 20.82%. The median age in Thornton township is 38.9 years: 35.6 years for males, and 41.2 years for females. For every 100 females there are 92.0 males.

154.8K
Total Population
3,301
Density (mi²)
1K 0.66%
Growth

Thornton township Population

Thornton township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026154,7911,0160.66%
2025153,7751,0160.67%
2024152,7591,0160.67%
2023151,743-535-0.35%
2022152,278-2,075-1.34%
2021154,353-2,915-1.85%
2020157,268-611-0.39%
2019163,863-1,382-0.84%
2018165,245-1,715-1.03%
2017166,960-1,521-0.9%
2016168,481-1,194-0.7%
2015169,675-788-0.46%
2014170,463-246-0.14%
2013170,7092480.15%
2012170,4614280.25%
2011170,0337070.42%
2010169,5091310.08%

Median Age

Overall: 38.9 years
Female: 41.2 years
Male: 35.6 years

Thornton township Adults

There are 115,466 adults, (24,920 of whom are seniors) in Thornton township.

Sex Ratio

Female: 80,048 (52.1%)
Male: 73,634 (47.9%)

Demographics

The racial composition of Thornton township includes 69.17% Black or African American, 12.64% White, 9.9% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Black or African American106,30769.17%
White19,42112.64%
Other race15,2209.9%
Two or more races10,7026.96%
Asian1,5110.98%
Native American3740.24%
Native Hawaiian or Pacific Islander1470.1%
Race
Population ↓
Percentage (of total)
Other race14,7929.63%
Two or more races6,4344.19%
White2,5781.68%
Black or African American4020.26%
Native American3170.21%
Native Hawaiian or Pacific Islander800.05%
Race
Population ↓
Percentage (of total)
Black or African American105,90568.91%
White16,84310.96%
Two or more races4,2682.78%
Asian1,5110.98%
Other race4280.28%
Native Hawaiian or Pacific Islander670.04%
Native American570.04%

Thornton township Marital Status

Economics and Income Statistics

Thornton township 's average per capita income is $43,335. Household income levels show a median of $58,534. The poverty rate stands at 20.82%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$97,116-
Families$71,932$87,547
Households$58,534$74,316
Non Families$36,470$45,632

$43,335

Average Income

$58,534

Median Household Income

20.82%

Poverty Rate

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)