Thornton, Illinois Population 2021

161,539
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Thornton is a city located in Cook County Illinois. Thornton has a 2020 population of 161,539. Thornton is currently declining at a rate of -0.77% annually and its population has decreased by -4.70% since the most recent census, which recorded a population of 169,509 in 2010. Thornton reached it's highest population of 170,725 in 2013.

The average household income in Thornton is $60,153 with a poverty rate of 19.62%. The median rental costs in recent years comes to $1,037 per month, and the median house value is $106,900. The median age in Thornton is 37.3 years, 34.1 years for males, and 39.3 years for females.

Thornton Demographics

According to the most recent ACS, the racial composition of Thornton was:

  • Black or African American: 70.90%
  • White: 23.72%
  • Other race: 2.79%
  • Two or more races: 1.74%
  • Asian: 0.60%
  • Native American: 0.25%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Thornton, Illinois is 161,539 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 165,283.The last official US Census in 2010 recorded the population at 169,509.

Thornton, Illinois Population 2021

Population by Race

Race Population Percentage
Black or African American118,34370.90%
White39,59623.72%
Some Other Race4,6612.79%
Two or More Races2,9001.74%
Asian1,0070.60%
American Indian and Alaska Native4100.25%
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Thornton Population by Race

Thornton Population Pyramid $2021

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Thornton Median Age

37.3


Total

34.1


Male

39.3


Female

Thornton Adults

There are 125,148 adults, (23,061 of whom are seniors) in Thornton.

Thornton Age Dependency

63.5

Age Dependency Ratio

22.6

Old Age Dependency Ratio

40.9

Child Dependency Ratio

Thornton Sex Ratio

Female

90,761

54.37%

Male

76,156

45.63%

Thornton Population by Age

Thornton Renter vs Owner Occupied by Household Type

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Thornton Household Types

Type Owner Renter
Married80.2%19.8%
Male66.3%33.7%
All61.8%38.2%
Non Family55.2%44.8%
Female48.9%51.1%

61.8%

Rate of Home Ownership

Thornton Households and Families

Type Count Average Size Owned
All60,4652.7361.8
Non Family21,7821.1255.2
Married18,4753.5980.2
Female16,4573.748.9
Male3,7513.6166.3

3.54

Average Family Size

2.73

Average Household Size

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Thornton Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5,0584.68%
9th to 12th Grade8,5907.95%
High School Graduate32,73230.30%
Some College31,49629.15%
Associates Degree8,7528.10%
Bachelors Degree13,88512.85%
Graduate Degree7,5196.96%
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Thornton Educational Attainment by Sex (over 25)

Thornton Educational Attainment by Race

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Race Total High School Bachelors
Black75,01667,65815,350
White19,42517,9084,562
Hispanic11,6367,021790
Other Race2,4991,498153
2+ Races1,4221,281405
Asian725598300
Native American30219846

The highest rate of high school graduation is among white people with a rate of 92.19%.

The highest rate of bachelors degrees is among asian people with a rate of 41.38%.

Thornton Educational Attainment by Race

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Name Average Male Female
Overall$35,059$38,437$32,305
Less Than 9th Grade$27,154$31,424$21,425
High School Graduate$30,389$32,403$25,111
Some College$33,560$36,874$31,306
Bachelors Degree$47,442$58,281$43,190
Graduate Degree$61,123$58,942$61,780

$35,059

Average Earnings

$38,437

Average Male

$32,305

Average Female

Thornton Earnings by Educational Attainment

Thornton Language by Age

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Thornton Language

86.65% of Thornton residents speak only English, while 13.35% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.39% of the population.

Thornton Language

Thornton Poverty by Race

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Name Total In Poverty Poverty Rate
Black117,29224,06020.51%
Hispanic21,8215,58025.57%
White22,7772,43310.68%
Other4,5401,60035.24%
Multiple2,89737813.05%
Asian99922622.62%
Native40415037.13%

19.62%

Overall Poverty Rate

17.79%

Male Poverty Rate

21.16%

Female Poverty Rate

Poverty in Thornton

The race most likely to be in poverty in Thornton is Native, with 37.13% below the poverty level.

The race least likely to be in poverty in Thornton is White, with 10.68% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.40%. Among those working part-time, it was 18.61%, and for those that did not work, the poverty rate was 28.61%.

Thornton Poverty

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Name Poverty
Less Than 9th Grade26.27%
High School18.87%
Some College14.18%
Bachelors or Greater6.96%

Thornton Poverty Rate by Education

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Rate Poverty
Female Unemployed37.89%
Male Unemployed25.85%
Female Employed9.71%
Male Employed6.13%

Thornton Poverty Rate by Employment Status and Sex

Thornton Income by Household Type

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Name Median Mean
Households$46,750$60,153
Families$54,981$68,819
Married Families$75,934-
Non Families$31,067$41,502
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Income by Household Type

Thornton Marital Status

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Marriage Rates

31.3%

Overall Marriage Rate

35.6%

Male Marriage Rate

27.9%

Female Marriage Rate

Thornton Married by Age and Sex

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Thornton Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Thornton Marital Status by Race

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Thornton Marital Status

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7,377

Number of Veterans

6,821

Male Veterans

556

Female Veterans

War Veterans
Vietnam2,732
First Gulf War1,043
Second Gulf War971
Korea503
World War II250

Thornton Veterans by War

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Age Group Veterans
35 to 541,992
65 to 741,888
55 to 641,583
75+1,566
18 to 34348

Thornton Veterans by Age

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Name Veterans % of Total
Black5,2305.98%
White1,9896.31%
Hispanic1891.32%
Other Race672.20%
2+ Races633.45%
Asian161.82%
Native American123.97%

Thornton Veterans by Race

Thornton Veterans by Education

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7.85%

Veteran Poverty Rate

23.97%

Veteran Disability Rate

Thornton Veterans by Education

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63.1%

Labor Force Participation

54%

Employment Rate

14.4%

Unemployment Rate

Thornton Employment by Age

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Thornton Employment by Race

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Thornton Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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74.88%

Born in Thornton

92.74%

Native Born

7.26%

Foreign Born

4.04%

Non Citizen

3.23%

Naturalized

Place of Birth

92.74% of Thornton residents were born in the United States, with 74.88% having been born in Illinois. 4.04% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Thornton Place of Birth

Year Population Growth Annual Growth Rate
2021161,539-1,248-0.77%
2020162,787-1,248-0.76%
2019164,035-1,248-0.76%
2018165,283-1,721-1.03%
2017167,004-1,514-0.90%
2016168,518-1,186-0.70%
2015169,704-779-0.46%
2014170,483-242-0.14%
2013170,7252540.15%
2012170,4714310.25%
2011170,0405310.31%
2010169,5090.00%

Thornton Population by Year