Illinois Demographics

Population - Employment - Households - Income / Financial - Housing - Education - Marital Status - Means of Transport to Work

What is the population of Illinois?

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There are 12,821,813 residents in Illinois, with a median age of 38.5. Of this, 49.39% are males and 50.61% are females. US-born citizens make up 84.72% of the resident pool in Illinois, while non-US-born citizens account for 8.61%. Additionally, 6.66% of the population is represented by non-citizens.
A total of 11,145,413 people in Illinois currently live in the same house as they did last year.
Y-o-Y Change
Total Population 12,821,813 0.8%
Male Population 6,332,176 1.4%
Female Population 6,489,637 0.3%
Male population 49.39%
Female population 50.61%
Y-o-Y Change
Median Age 38.5 0.5%
Citizen US Born 10,862,745 0.6%
Citizen not US Born 1,104,596 3.1%
Not Citizen 854,472 0.6%
Citizen US Born 84.72%
Citizen not US Born 8.61%
Not Citizen 6.66%
Y-o-Y Change
Moved from Abroad 61,202 -3.9%
Moved from Same County 954,289 -2.3%
Moved from Same State 322,033 -0.9%
Moved from Different State 200,512 -0.2%
Same House as Last Year 11,145,413 1.2%
Moved from Abroad 0.48%
Moved from Same County 7.52%
Moved from Same State 2.54%
Moved from Different State 1.58%
Same House as Last Year 87.87%

What are the employment statistics in Illinois?

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White-collar workers make up 78.18% of the working population in Illinois, while blue-collar employees account for 21.82%. There are also 544,597 entrepreneurs in Illinois (8.68% of the workforce); 4,366,740 workers employed in private companies (69.61%); and 782,322 people working in governmental institutions (12.47%).
Y-o-Y Change
White Collar 4,904,290 0.8%
Blue Collar 1,369,183 -0.1%
White Collar 78.18%
Blue Collar 21.82%
Y-o-Y Change
Self Employees 544,597 1.9%
Private Companies 4,366,740 -0.1%
Governmental Workers 782,322 2.9%
Not for Profit Companies 579,814 1.6%
Self Employees 8.68%
Private Companies 69.61%
Governmental Workers 12.47%
Not for Profit Companies 9.24%

How many households are there in Illinois?

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There are a total of 4,930,255 households in Illinois, each made up of around 3 members. Family establishments represent 63.52% of these Illinois households, while non-family units account for the remaining 36.48%. Additionally, 29.83% of households have children and 70.17% of households are without children.
Y-o-Y Change
Total Households 4,930,255 0.9%
Average People Per Household 3 0.0%
Family Households 3,131,678 0.5%
Non-family Households 1,798,577 1.8%
Family Households 63.52%
Non-family Households 36.48%
Y-o-Y Change
Households with Children 1,470,835 0.2%
Households without Children 3,459,420 1.3%
Households with Children 29.83%
Households without Children 70.17%

What are the median and average incomes in Illinois?

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The average annual household income in Illinois is $100,719, while the median household income sits at $72,563 per year. Residents aged 25 to 44 earn $80,059, while those between 45 and 64 years old have a median wage of $87,986. In contrast, people younger than 25 and those older than 65 earn less, at $34,424 and $51,237, respectively.
Y-o-Y Change
Average Household Income $100,719 5.9%
Median Household Income $72,563 6.0%
People below Poverty Level 1,459,559 -0.3%
People above Poverty Level 10,934,383 1.1%

How many homeowners and renters are there in Illinois?

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There are 5,412,995 housing units in Illinois, and the median year in which these properties were built is 1969. Of the 4,930,255 occupied housing units in Illinois, 66.51% are owner-occupied, while 33.49% have renters living in them.
Meanwhile, properties bought with mortgages account for 62.57% of the units, and the median value of a home with a mortgage is $227,700. In general, housing costs reach $1,199 per month in Illinois.
Y-o-Y Change
Housing Units 5,412,995 0.7%
Median Year Built 1969 0.0%
Built in 1939 or Earlier 1,129,822 0.3%
Built between 1940 and 1949 325,189 -0.3%
Built between 1950 and 1959 673,676 -0.7%
Built between 1960 and 1969 620,401 -0.4%
Built between 1970 and 1979 779,081 0.4%
Built between 1980 and 1989 492,147 0.7%
Built between 1990 and 1999 600,485 -0.7%
Built between 2000 and 2009 589,438 1.2%
Built between 2010 and 2019 199,030 N/A
Built in 2020 or Later 3,726 N/A
Y-o-Y Change
Occupied Housing Units 4,930,255 0.9%
Owner Occupied 3,279,322 1.3%
Renter Occupied 1,650,933 0.3%
Owner Occupied 66.51%
Renter Occupied 33.49%
Y-o-Y Change
With Mortgage 2,051,911 0.9%
Without Mortgage 1,227,411 1.9%
Median Value with Mortgage $227,700 4.7%
Median Value without Mortgage $184,300 5.4%
Median Housing Costs per Month $1,199 4.5%
With Mortgage 62.57%
Without Mortgage 37.43%

What is the level of education in Illinois?

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Approximately 32.12% of the population in Illinois holds a high school degree (that's 3,190,957 residents), while 22.08% have attained a college certificate (2,483,806 locals) and 20.84% have a bachelor's degree (2,070,765 people).
Y-o-Y Change
No High School 414,617 -0.5%
Some High School 3,190,957 -0.1%
Some College 2,483,806 0.1%
Associate Degree 793,148 1.9%
Bachelor's Degree 2,070,765 1.9%
Graduate Degree 1,271,429 4.1%
No High School 4.17%
Some High School 32.12%
Some College 22.08%
Associate Degree 7.98%
Bachelor's Degree 20.84%
Graduate Degree 12.8%

What is the marital status of Illinois residents?

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A total of 3,721,770 people in Illinois have never been married (which represents 35.62% of the total population), while 5,121,163 of them are wedded (49.01%). Separated and divorced residents are in smaller numbers, at 162,534 (1.56%) and 1,020,944 (9.77%), respectively.
Y-o-Y Change
Never Married 3,721,770 2.0%
Married 5,121,163 0.3%
Separated 162,534 1.4%
Widowed 584,566 -2.5%
Divorced 1,020,944 1.5%
Never Married 35.62%
Married 49.01%
Separated 1.56%
Widowed 5.59%
Divorced 9.77%

What are the most common means of transportation in Illinois?

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The top three means of transportation people in Illinois use to get to work are: car, bus or trolley bus and walking. A total of 4,786,082 residents commute by car, 190,038 prefer going to work by bus or trolley bus and 170,236 by walking.
Y-o-Y Change
Car 4,786,082 -1.6%
Bus or TrolleyBus 190,038 -8.5%
Subway or Elevated 117,796 N/A
Railroad 4,573 1.2%
Ferryboat 640 5.1%
Bicycle 34,299 -4.8%
Motorcycle 3,943 -8.0%
TaxiCab 19,146 -0.6%
Walk 170,236 -2.0%

Methodology & Disclaimers


Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2021 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.

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