Oak Forest, Cook County, Illinois Population and Demographics

In this article, we'll explore the population statistics for Oak Forest, 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 Oak Forest, Illinois. The most basic data is the total population, which is the total number of people living in Oak Forest, Illinois. The estimated population of Oak Forest, Illinois is 27,445 people, with a median age of 41.1.

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

Year Population Change 5-Year Change
2021
27,445
+0.15%
-2.08%
2020
27,403
-0.77% -
2019
27,617
-0.81% -
2018
27,843
-0.66% -
2017
28,027
- -

Population of Oak Forest, 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
69%
77.3%
-10.74%
Black/African American
6.2%
5.2%
+19.23%
Native
0.1%
0.1%
0.00%
Hispanic
16%
13.7%
+16.79%
Asian
6.3%
2.8%
+125.00%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
2.1%
0.5%
+320.00%
Other
0.4%
0.3%
+33.33%

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 Oak Forest, 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 41.1 -2.14% 39.8 -0.75% 42.2 -2.76%
2020 42 +0.48% 40.1 +3.62% 43.4 -1.59%
2019 41.8 +0.24% 38.7 -2.27% 44.1 +2.32%
2018 41.7 -1.18% 39.6 -1.98% 43.1 -0.46%
2017 42.2 - 40.4 - 43.3 -

The median age of Oak Forest, 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 1,409 -9.09% 1,292 +11.46% 1,275 1,420
10 to 19 1,979 +7.71% 1,565 +7.98% 2,113 1,681
20 to 29 1,934 -8.07% 1,971 -18.88% 1,779 1,618
30 to 39 1,570 +14.66% 1,471 +12.67% 1,789 1,655
40 to 49 1,929 -7.48% 2,008 -10.82% 1,764 1,792
50 to 59 2,327 -1.41% 2,418 -7.11% 2,290 2,230
60 to 69 1,869 -14.26% 1,904 -10.95% 1,605 1,691
70+ 922 +32.62% 1,459 +9.92% 1,195 1,548

Median Household Income

The latest median household income of Oak Forest, Illinois is $81,288.00.

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 Oak Forest.

  • Under 25
    $48,992.00
  • 25 to 44
    $87,900.00
  • 45 to 64
    $89,613.00
  • 65 and over
    $63,451.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Oak Forest, 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 Oak Forest, Illinois is currently $97,740.00.

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.

5.83% of households in Oak Forest 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 Oak Forest against other areas.

  • Less than $24,999
    9.64%
  • $25,000 to $49,999
    14.46%
  • $50,000 to $74,999
    20.92%
  • $75,000 to $99,999
    16.19%
  • $100,000 to $149,999
    22.73%
  • $150,000 to $199,999
    10.23%
  • $200,000 or more
    5.83%

Per Capita Income

The per capita income in Oak Forest is $37,068.00.

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

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

Education Levels

We can also look at the education levels in Oak Forest 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
    11.95%
  • Bachelor's degree
    33.58%
  • Some college or associate's degree
    13.17%
  • High school diploma or equivalent
    36.82%
  • Less than high school diploma
    4.48%

Employment

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

The total population of Oak Forest over the age of 16 is 22,473.

Of those people, a total of 69.40% 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 Oak Forest is 66.60%.

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 1,517 46.10% 10.60%
20 to 24 years 1,752 72.00% 9.10%
25 to 29 years 1,645 82.80% 1.30%
30 to 34 years 1,681 83.60% 0.30%
35 to 44 years 3,426 91.90% 2.00%
45 to 54 years 4,064 85.20% 2.40%
55 to 59 years 2,349 78.30% 6.10%
60 to 64 years 1,806 72.30% 2.10%
65 to 74 years 2,701 37.80% 11.00%
75 years and over 1,532 5.40% 23.20%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Oak Forest. 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 17,360 67.60% 3.00%
Black or African American 1,448 71.70% 11.10%
American Indian and Alaska Native 18 100.00% 0.00%
Asian 1,587 71.70% 9.10%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 1,181 78.80% 1.40%
Two or more races 879 84.00% 6.40%
Hispanic or Latino 3,169 80.20% 2.60%
Not Hispanic or Latino 15,795 66.70% 3.20%

Occupations

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

The total population of civilian employees that are 16 years old or older in Oak Forest is 14,962, with median earnings of $44,045.00.

Women in Oak Forest, Illinois earning approximately 75.70% of the men's earnings.

Population Earnings
Total 14,962 $44,045.00
Male 8,156 $50,212.00
Female 6,806 $38,006.00

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 1,275 $103,628.00
Business and Financial 1,030 $62,564.00
Computer and Mathematical 369 $54,565.00
Architecture and Engineering 213 $91,060.00
Life, Physical, and Social Science 148 $82,177.00
Community and Social Service 263 $42,649.00
Legal 137 $81,250.00
Educational and Library 924 $49,630.00
Arts, Design, Entertainment, Sports, and Media 174 $39,671.00
Healthcare Practitioners 667 $73,884.00
Healthcare Support 203 $28,233.00
Firefighters and Protective Service 264 $38,949.00
Law Enforcement 309 $75,170.00
Food Preparation and Serving 654 $20,120.00
Building and Grounds Cleaning 411 $18,018.00
Personal Care and Service 631 $18,166.00
Sales 1,629 $24,141.00
Office and Administrative Support 1,991 $37,354.00
Farming, Fishing, and Forestry 52 $0.00
Construction and Extraction 792 $81,047.00
Installation, Maintenance, and Repair 576 $58,500.00
Production 1,105 $55,601.00
Transportation and Material Moving 421 $43,807.00

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 853 $106,654.00 422 $94,914.00
Business and Financial 506 $81,160.00 524 $50,214.00
Computer and Mathematical 193 $73,341.00 176 $53,343.00
Architecture and Engineering 210 $91,141.00 3 $0.00
Life, Physical, and Social Science 46 $0.00 102 $93,019.00
Community and Social Service 89 $34,292.00 174 $43,875.00
Legal 25 $0.00 112 $80,000.00
Educational and Library 215 $51,341.00 709 $48,722.00
Arts, Design, Entertainment, Sports, and Media 78 $47,895.00 96 $39,474.00
Healthcare Practitioners 90 $76,477.00 577 $72,723.00
Healthcare Support 71 $62,829.00 132 $28,017.00
Firefighters and Protective Service 107 $74,236.00 157 $0.00
Law Enforcement 256 $78,017.00 53 $0.00
Food Preparation and Serving 289 $11,683.00 365 $20,916.00
Building and Grounds Cleaning 298 $15,956.00 113 $19,299.00
Personal Care and Service 237 $14,282.00 394 $19,206.00
Sales 917 $26,762.00 712 $12,500.00
Office and Administrative Support 369 $35,638.00 1,622 $38,399.00
Farming, Fishing, and Forestry 52 $0.00 0 $0.00
Construction and Extraction 774 $80,743.00 18 $0.00
Installation, Maintenance, and Repair 576 $58,500.00 0 $0.00
Production 1,052 $56,875.00 53 $20,938.00
Transportation and Material Moving 334 $53,750.00 87 $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 10,261 households in Oak Forest, with an average household size of 2.67 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 7,298 families in Oak Forest with an average family size of 3.22 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 5,883 619 796 2,963
Average Household Size 3.22 3.99 3.12 1.19
Total Families 5,883 619 796 0
Average Household Size 3.19 3.72 3.01 0

Poverty

Of the 7,298 families in Oak Forest, 3.50% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Oak Forest:

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 10,487 housing units in Oak Forest, Illinois.

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

Total Percentage
Occupied 10,261 97.84%
Vacant 226 2.16%

17.89% of the total 10,487 housing units in Oak Forest are rental units. This is approximately 1,876 properties.

For owner-occupied housing units, a total of 8,264 are occupied by the owner - or 78.80% of the total.

Rental Rates

The median rent for a property in Oak Forest is $1,128.00.

In the chart below, we can look at the number of rental properties in Oak Forest 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
    121
  • Less than $500
    32
  • $500 to $999
    512
  • $1,000 to $1,499
    1,037
  • $1,500 to $1,999
    123
  • $2,000 to $2,499
    162
  • $2,500 to $2,999
    10
  • $3,000 or more
    0

Property Value

The median value of a property in Oak Forest is $211,700.00.

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

  • Less than $50,000
    212
  • $50,000 to $99,999
    392
  • $100,000 to $149,999
    1,219
  • $150,000 to $199,999
    1,788
  • $200,000 to $299,999
    3,716
  • $300,000 to $499,999
    908
  • $500,000 to $999,999
    29
  • $1,000,000 or more
    0

Property Age

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

  • 1939 or earlier
    309
  • 1940 to 1949
    201
  • 1950 to 1959
    962
  • 1960 to 1969
    2,620
  • 1970 to 1979
    2,230
  • 1980 to 1989
    1,658
  • 1990 to 1999
    1,660
  • 2000 to 2009
    776
  • 2010 to 2013
    71
  • 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 Oak Forest that have a particular number of vehicles available.

  • No vehicles available
    365
  • 1 vehicle available
    3,194
  • 2 vehicles available
    4,451
  • 3 or more vehicles available
    2,251

Commuting to Work

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

32.1 minutes is the average travel time to work for people in Oak Forest.

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
    228
  • 5 to 9 minutes
    823
  • 10 to 14 minutes
    871
  • 15 to 19 minutes
    1,678
  • 20 to 24 minutes
    2,285
  • 25 to 29 minutes
    580
  • 30 to 34 minutes
    2,196
  • 35 to 39 minutes
    345
  • 40 to 44 minutes
    891
  • 45 to 59 minutes
    1,291
  • 60 to 89 minutes
    1,588
  • 90 or more minutes
    493

Summary

We've covered a LOT of demographic and population data for Oak Forest, 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.