Oakbrook Terrace, DuPage County, Illinois Population and Demographics

In this article, we'll explore the population statistics for Oakbrook Terrace, 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 Oakbrook Terrace, Illinois. The most basic data is the total population, which is the total number of people living in Oakbrook Terrace, Illinois. The estimated population of Oakbrook Terrace, Illinois is 2,681 people, with a median age of 35.2.

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

Year Population Change 5-Year Change
2021
2,681
-7.84% -0.67%
2020
2,909
+5.7%
-
2019
2,752
-5.49% -
2018
2,912
+7.89%
-
2017
2,699
- -

Population of Oakbrook Terrace, 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
57.6%
59.9%
-3.84%
Black/African American
15.6%
6.1%
+155.74%
Native
0%
0%
0.00%
Hispanic
9.7%
14%
-30.71%
Asian
15.5%
18.2%
-14.84%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
1.4%
1%
+40.00%
Other
0.3%
0.8%
-62.50%

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 Oakbrook Terrace, 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 35.2 -1.68% 33.4 +0.3% 36.6 -15.47%
2020 35.8 -3.24% 33.3 -7.5% 43.3 +6.39%
2019 37 +0.27% 36 -1.91% 40.7 +8.53%
2018 36.9 -7.52% 36.7 -3.17% 37.5 -6.72%
2017 39.9 - 37.9 - 40.2 -

The median age of Oakbrook Terrace, 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 94 +47.56% 138 -1.56% 136 130
10 to 19 90 -23.94% 92 -57.53% 63 49
20 to 29 261 +49.63% 285 +14.96% 378 316
30 to 39 159 +61.51% 231 +8.53% 268 251
40 to 49 151 -45.69% 120 -11.17% 87 102
50 to 59 160 -18.22% 217 -34.23% 126 151
60 to 69 105 15.09% 157 +31.79% 105 190
70+ 181 -17.92% 258 -20.59% 127 202

Median Household Income

The latest median household income of Oakbrook Terrace, Illinois is $60,761.00.

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 Oakbrook Terrace.

  • Under 25
    $20,464.00
  • 25 to 44
    $76,875.00
  • 45 to 64
    $106,029.00
  • 65 and over
    $43,000.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Oakbrook Terrace, 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 Oakbrook Terrace, Illinois is currently $81,511.00.

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.

5.61% of households in Oakbrook Terrace 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 Oakbrook Terrace against other areas.

  • Less than $24,999
    23.88%
  • $25,000 to $49,999
    16.99%
  • $50,000 to $74,999
    16.19%
  • $75,000 to $99,999
    16.59%
  • $100,000 to $149,999
    10.10%
  • $150,000 to $199,999
    10.66%
  • $200,000 or more
    5.61%

Per Capita Income

The per capita income in Oakbrook Terrace is $39,150.00.

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

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

Education Levels

We can also look at the education levels in Oakbrook Terrace 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
    16.74%
  • Bachelor's degree
    54.15%
  • Some college or associate's degree
    5.02%
  • High school diploma or equivalent
    23.65%
  • Less than high school diploma
    0.44%

Employment

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

The total population of Oakbrook Terrace over the age of 16 is 2,340.

Of those people, a total of 60.40% 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 Oakbrook Terrace is 56.80%.

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 37 67.60% 0.00%
20 to 24 years 322 55.60% 16.80%
25 to 29 years 372 44.10% 8.50%
30 to 34 years 243 91.40% 5.90%
35 to 44 years 353 86.70% 7.50%
45 to 54 years 263 97.70% 0.00%
55 to 59 years 126 73.80% 0.00%
60 to 64 years 163 46.60% 0.00%
65 to 74 years 264 34.80% 5.40%
75 years and over 197 0.00% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Oakbrook Terrace. 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 1,526 58.40% 2.90%
Black or African American 366 64.80% 5.50%
American Indian and Alaska Native 0 0.00% 0.00%
Asian 325 66.80% 10.60%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 11 54.50% 0.00%
Two or more races 112 56.30% 36.50%
Hispanic or Latino 222 57.70% 18.00%
Not Hispanic or Latino 1,390 57.30% 3.30%

Occupations

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

The total population of civilian employees that are 16 years old or older in Oakbrook Terrace is 1,329, with median earnings of $52,969.00.

Women in Oakbrook Terrace, Illinois earning approximately 78.00% of the men's earnings.

Population Earnings
Total 1,329 $52,969.00
Male 605 $62,690.00
Female 724 $48,929.00

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 226 $94,625.00
Business and Financial 167 $56,875.00
Computer and Mathematical 52 $59,257.00
Architecture and Engineering 76 $99,286.00
Life, Physical, and Social Science 4 $0.00
Community and Social Service 25 $32,083.00
Legal 28 $72,333.00
Educational and Library 53 $43,958.00
Arts, Design, Entertainment, Sports, and Media 45 $8,750.00
Healthcare Practitioners 112 $99,375.00
Healthcare Support 15 $0.00
Firefighters and Protective Service 14 $0.00
Law Enforcement 0 $0.00
Food Preparation and Serving 50 $28,026.00
Building and Grounds Cleaning 13 $0.00
Personal Care and Service 20 $135,417.00
Sales 210 $40,714.00
Office and Administrative Support 94 $16,136.00
Farming, Fishing, and Forestry 0 $0.00
Construction and Extraction 45 $63,646.00
Installation, Maintenance, and Repair 4 $0.00
Production 39 $51,172.00
Transportation and Material Moving 33 $38,250.00

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 107 $97,813.00 119 $92,734.00
Business and Financial 60 $62,917.00 107 $49,554.00
Computer and Mathematical 15 $78,958.00 37 $0.00
Architecture and Engineering 73 $99,393.00 3 $0.00
Life, Physical, and Social Science 0 $0.00 4 $0.00
Community and Social Service 9 $0.00 16 $51,000.00
Legal 19 $0.00 9 $0.00
Educational and Library 6 $0.00 47 $42,708.00
Arts, Design, Entertainment, Sports, and Media 34 $8,900.00 11 $0.00
Healthcare Practitioners 12 $0.00 100 $66,818.00
Healthcare Support 0 $0.00 15 $0.00
Firefighters and Protective Service 3 $0.00 11 $0.00
Law Enforcement 0 $0.00 0 $0.00
Food Preparation and Serving 29 $0.00 21 $0.00
Building and Grounds Cleaning 5 $0.00 8 $0.00
Personal Care and Service 0 $0.00 20 $135,417.00
Sales 83 $51,653.00 127 $22,230.00
Office and Administrative Support 25 $0.00 69 $25,417.00
Farming, Fishing, and Forestry 0 $0.00 0 $0.00
Construction and Extraction 45 $63,646.00 0 $0.00
Installation, Maintenance, and Repair 4 $0.00 0 $0.00
Production 39 $51,172.00 0 $0.00
Transportation and Material Moving 33 $38,250.00 0 $0.00

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 1,248 households in Oakbrook Terrace, with an average household size of 2.15 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 566 families in Oakbrook Terrace with an average family size of 2.85 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 436 40 90 682
Average Household Size 2.89 4.08 2.8 1.48
Total Families 436 40 90 0
Average Household Size 2.89 3.5 2.41 0

Poverty

Of the 566 families in Oakbrook Terrace, 7.80% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Oakbrook Terrace:

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 1,364 housing units in Oakbrook Terrace, Illinois.

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

Total Percentage
Occupied 1,248 91.50%
Vacant 116 8.50%

57.84% of the total 1,364 housing units in Oakbrook Terrace are rental units. This is approximately 789 properties.

For owner-occupied housing units, a total of 412 are occupied by the owner - or 30.21% of the total.

Rental Rates

The median rent for a property in Oakbrook Terrace is $1,743.00.

In the chart below, we can look at the number of rental properties in Oakbrook Terrace 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
    47
  • Less than $500
    5
  • $500 to $999
    11
  • $1,000 to $1,499
    195
  • $1,500 to $1,999
    378
  • $2,000 to $2,499
    139
  • $2,500 to $2,999
    21
  • $3,000 or more
    40

Property Value

The median value of a property in Oakbrook Terrace is $333,300.00.

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

  • Less than $50,000
    4
  • $50,000 to $99,999
    0
  • $100,000 to $149,999
    7
  • $150,000 to $199,999
    13
  • $200,000 to $299,999
    144
  • $300,000 to $499,999
    177
  • $500,000 to $999,999
    67
  • $1,000,000 or more
    0

Property Age

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

  • 1939 or earlier
    4
  • 1940 to 1949
    60
  • 1950 to 1959
    169
  • 1960 to 1969
    117
  • 1970 to 1979
    545
  • 1980 to 1989
    56
  • 1990 to 1999
    173
  • 2000 to 2009
    177
  • 2010 to 2013
    63
  • 2014 or later
    0

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 Oakbrook Terrace that have a particular number of vehicles available.

  • No vehicles available
    23
  • 1 vehicle available
    647
  • 2 vehicles available
    339
  • 3 or more vehicles available
    239

Commuting to Work

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

28.4 minutes is the average travel time to work for people in Oakbrook Terrace.

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
    22
  • 5 to 9 minutes
    68
  • 10 to 14 minutes
    209
  • 15 to 19 minutes
    97
  • 20 to 24 minutes
    80
  • 25 to 29 minutes
    39
  • 30 to 34 minutes
    144
  • 35 to 39 minutes
    42
  • 40 to 44 minutes
    86
  • 45 to 59 minutes
    43
  • 60 to 89 minutes
    80
  • 90 or more minutes
    35

Summary

We've covered a LOT of demographic and population data for Oakbrook Terrace, 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.