DuPage County, Illinois Population and Demographics

In this article, we'll explore the population statistics for DuPage County, Illinois, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in DuPage County, Illinois. The most basic data is the total population, which is the total number of people living in DuPage County, Illinois. The estimated population of DuPage County, Illinois is 934,094 people, with a median age of 39.7.

We can look at the total population in DuPage County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
934,094
+0.87%
+0.24%
2020
926,005
-0.33% -
2019
929,060
-0.29% -
2018
931,743
-0.01% -
2017
931,826
- -

Population of DuPage County, Illinois by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
65.4%
67.9%
-3.68%
Black/African American
4.8%
4.6%
+4.35%
Native
0%
0.1%
-100.00%
Hispanic
14.5%
14.1%
+2.84%
Asian
12.2%
11.3%
+7.96%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
2.7%
2%
+35.00%
Other
0.3%
0.1%
+200.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of DuPage County, Illinois by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 39.7 +0.51% 38.6 +1.05% 40.8 0%
2020 39.5 +0.51% 38.2 +0.53% 40.8 +0.49%
2019 39.3 +0.51% 38 +0.53% 40.6 +0.5%
2018 39.1 0% 37.8 +0.27% 40.4 +0.25%
2017 39.1 - 37.7 - 40.3 -

The median age of DuPage County, Illinois gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 57,889 -0.06% 56,777 -2.82% 57,846 55,184
10 to 19 65,006 -3.17% 60,789 -1.7% 62,932 59,730
20 to 29 59,536 -4.11% 56,714 -1.96% 57,121 55,607
30 to 39 59,799 +5.26% 60,854 -0.97% 63,008 60,247
40 to 49 62,196 -4.25% 63,465 -4.17% 59,556 60,843
50 to 59 67,207 -3.2% 72,386 -6.13% 65,072 68,044
60 to 69 49,972 +9.3% 53,802 +10.67% 54,761 59,772
70+ 35,722 +15.43% 49,712 +6.13% 41,555 52,816

Median Household Income

The latest median household income of DuPage County, Illinois is $100,292.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for DuPage County.

  • Under 25
    $50,686.00
  • 25 to 44
    $105,813.00
  • 45 to 64
    $121,983.00
  • 65 and over
    $68,148.00

Average Household Income

Whenever we ask what is the average household income in DuPage County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in DuPage County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of DuPage County, Illinois is currently $133,288.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

17.34% of households in DuPage County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of DuPage County against other areas.

  • Less than $24,999
    9.31%
  • $25,000 to $49,999
    13.16%
  • $50,000 to $74,999
    14.56%
  • $75,000 to $99,999
    12.83%
  • $100,000 to $149,999
    20.44%
  • $150,000 to $199,999
    12.35%
  • $200,000 or more
    17.34%

Per Capita Income

The per capita income in DuPage County is $50,344.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of DuPage County by the total population of DuPage County.

This is different from the average or mean income because it includes and accounts for all people in DuPage County, Illinois, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in DuPage County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    21.79%
  • Bachelor's degree
    44.48%
  • Some college or associate's degree
    8.24%
  • High school diploma or equivalent
    23.42%
  • Less than high school diploma
    2.08%

Employment

Employment rates are all based around the total population in DuPage County that are over the age of 16.

The total population of DuPage County over the age of 16 is 747,437.

Of those people, a total of 69.10% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in DuPage County is 65.70%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 49,035 41.80% 13.10%
20 to 24 years 56,237 77.60% 9.30%
25 to 29 years 56,491 87.00% 4.90%
30 to 34 years 59,396 87.20% 3.20%
35 to 44 years 123,790 87.00% 3.60%
45 to 54 years 124,631 87.90% 3.80%
55 to 59 years 68,953 82.90% 4.40%
60 to 64 years 62,018 69.50% 4.30%
65 to 74 years 89,001 32.90% 4.60%
75 years and over 57,885 8.20% 5.10%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in DuPage County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 555,101 68.30% 4.20%
Black or African American 35,535 74.00% 11.20%
American Indian and Alaska Native 1,807 79.80% 5.30%
Asian 91,941 67.10% 4.50%
Native Hawaiian and Other Pacific Islander 265 68.70% 0.00%
Other 27,649 77.30% 5.30%
Two or more races 35,139 74.70% 7.50%
Hispanic or Latino 96,118 77.30% 4.30%
Not Hispanic or Latino 508,684 67.50% 4.30%

Occupations

In this section we can look at the most common occupations in DuPage County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in DuPage County is 491,295, with median earnings of $53,711.00.

Women in DuPage County, Illinois earning approximately 64.70% of the men's earnings.

Population Earnings
Total 491,295 $53,711.00
Male 262,478 $66,187.00
Female 228,817 $42,831.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 66,785 $105,070.00
Business and Financial 40,275 $79,612.00
Computer and Mathematical 25,272 $94,949.00
Architecture and Engineering 12,645 $94,946.00
Life, Physical, and Social Science 5,265 $67,441.00
Community and Social Service 6,358 $50,563.00
Legal 7,525 $106,387.00
Educational and Library 29,717 $52,971.00
Arts, Design, Entertainment, Sports, and Media 9,613 $44,147.00
Healthcare Practitioners 32,800 $70,281.00
Healthcare Support 11,289 $25,784.00
Firefighters and Protective Service 4,322 $33,678.00
Law Enforcement 2,451 $87,405.00
Food Preparation and Serving 21,019 $16,622.00
Building and Grounds Cleaning 10,661 $29,246.00
Personal Care and Service 12,171 $17,182.00
Sales 56,408 $49,529.00
Office and Administrative Support 54,843 $38,752.00
Farming, Fishing, and Forestry 570 $30,114.00
Construction and Extraction 15,249 $53,019.00
Installation, Maintenance, and Repair 10,915 $55,043.00
Production 21,448 $40,635.00
Transportation and Material Moving 17,587 $42,183.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 41,784 $113,929.00 25,001 $87,853.00
Business and Financial 20,073 $89,615.00 20,202 $69,717.00
Computer and Mathematical 19,595 $100,588.00 5,677 $87,505.00
Architecture and Engineering 11,139 $96,732.00 1,506 $85,135.00
Life, Physical, and Social Science 2,922 $74,052.00 2,343 $63,750.00
Community and Social Service 2,005 $50,799.00 4,353 $50,494.00
Legal 4,481 $162,514.00 3,044 $73,151.00
Educational and Library 7,548 $71,171.00 22,169 $47,040.00
Arts, Design, Entertainment, Sports, and Media 4,405 $55,371.00 5,208 $38,404.00
Healthcare Practitioners 9,035 $98,847.00 23,765 $64,450.00
Healthcare Support 1,563 $31,723.00 9,726 $24,809.00
Firefighters and Protective Service 2,923 $43,847.00 1,399 $20,602.00
Law Enforcement 1,942 $88,210.00 509 $85,508.00
Food Preparation and Serving 9,910 $19,504.00 11,109 $14,877.00
Building and Grounds Cleaning 6,649 $34,371.00 4,012 $22,746.00
Personal Care and Service 2,568 $17,237.00 9,603 $17,176.00
Sales 31,792 $68,659.00 24,616 $32,115.00
Office and Administrative Support 14,461 $43,498.00 40,382 $37,102.00
Farming, Fishing, and Forestry 373 $30,455.00 197 $24,135.00
Construction and Extraction 14,910 $53,209.00 339 $45,583.00
Installation, Maintenance, and Repair 10,519 $55,966.00 396 $35,313.00
Production 14,971 $47,198.00 6,477 $27,650.00
Transportation and Material Moving 15,421 $43,781.00 2,166 $30,714.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 347,385 households in DuPage County, with an average household size of 2.65 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 244,430 families in DuPage County with an average family size of 3.2 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 199,276 13,043 32,111 102,955
Average Household Size 3.28 3.06 3.19 1.22
Total Families 199,276 13,043 32,111 0
Average Household Size 3.26 2.77 3.01 0

Poverty

Of the 244,430 families in DuPage County, 4.30% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in DuPage County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 364,157 housing units in DuPage County, Illinois.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 347,385 95.39%
Vacant 16,772 4.61%

24.79% of the total 364,157 housing units in DuPage County are rental units. This is approximately 90,285 properties.

For owner-occupied housing units, a total of 254,336 are occupied by the owner - or 69.84% of the total.

Rental Rates

The median rent for a property in DuPage County is $1,433.00.

In the chart below, we can look at the number of rental properties in DuPage County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    2,764
  • Less than $500
    2,895
  • $500 to $999
    9,534
  • $1,000 to $1,499
    37,655
  • $1,500 to $1,999
    25,634
  • $2,000 to $2,499
    9,688
  • $2,500 to $2,999
    2,442
  • $3,000 or more
    2,437

Property Value

The median value of a property in DuPage County is $324,900.00.

Just like with rental rates, we can look at the number of properties in DuPage County that fall into a particular value range.

  • Less than $50,000
    3,676
  • $50,000 to $99,999
    5,441
  • $100,000 to $149,999
    13,787
  • $150,000 to $199,999
    22,218
  • $200,000 to $299,999
    67,256
  • $300,000 to $499,999
    93,276
  • $500,000 to $999,999
    40,730
  • $1,000,000 or more
    7,952

Property Age

We can also look at the age of properties in DuPage County. The chart below shows the number of properties in DuPage County that fall into a particular age range.

  • 1939 or earlier
    20,760
  • 1940 to 1949
    8,988
  • 1950 to 1959
    37,850
  • 1960 to 1969
    47,896
  • 1970 to 1979
    85,310
  • 1980 to 1989
    62,986
  • 1990 to 1999
    57,082
  • 2000 to 2009
    29,716
  • 2010 to 2013
    13,327
  • 2014 or later
    242

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in DuPage County that have a particular number of vehicles available.

  • No vehicles available
    14,170
  • 1 vehicle available
    107,032
  • 2 vehicles available
    153,110
  • 3 or more vehicles available
    73,073

Commuting to Work

In this section, we can also look at how people in DuPage County get to work. The chart below shows the number of people in DuPage County that commute to work in a particular way.

29 minutes is the average travel time to work for people in DuPage County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    7,957
  • 5 to 9 minutes
    36,073
  • 10 to 14 minutes
    49,362
  • 15 to 19 minutes
    56,646
  • 20 to 24 minutes
    53,508
  • 25 to 29 minutes
    29,690
  • 30 to 34 minutes
    59,406
  • 35 to 39 minutes
    14,153
  • 40 to 44 minutes
    19,233
  • 45 to 59 minutes
    39,846
  • 60 to 89 minutes
    37,356
  • 90 or more minutes
    11,405

Summary

We've covered a LOT of demographic and population data for DuPage County, Illinois in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in DuPage County, Illinois

We have data for 28 places in DuPage County, Illinois. Click on a place below to see more information about the demographics of that place.