Romeoville, Will County, Illinois Population and Demographics

In this article, we'll explore the population statistics for Romeoville, 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 Romeoville, Illinois. The most basic data is the total population, which is the total number of people living in Romeoville, Illinois. The estimated population of Romeoville, Illinois is 40,099 people, with a median age of 35.5.

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

Year Population Change 5-Year Change
2021
40,099
+1.15%
+1.05%
2020
39,644
-0.06% -
2019
39,666
-0.09% -
2018
39,702
+0.05%
-
2017
39,682
- -

Population of Romeoville, 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
45.7%
47.8%
-4.39%
Black/African American
11.1%
10.5%
+5.71%
Native
0%
0%
0.00%
Hispanic
33.8%
32.9%
+2.74%
Asian
5.8%
6.6%
-12.12%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
3.3%
2.1%
+57.14%
Other
0.2%
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 Romeoville, 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 35.5 +2.6% 34.1 +2.1% 37 +3.64%
2020 34.6 0% 33.4 +0.3% 35.7 -0.28%
2019 34.6 +2.98% 33.3 +0.3% 35.8 +4.99%
2018 33.6 +1.2% 33.2 +1.53% 34.1 +0.29%
2017 33.2 - 32.7 - 34 -

The median age of Romeoville, 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 2,887 -22.62% 2,939 -20.02% 2,250 2,384
10 to 19 3,572 -7.81% 3,496 -8% 3,288 3,206
20 to 29 2,421 +29.4% 2,524 +3.36% 3,196 2,576
30 to 39 2,628 +12.64% 2,857 -10.78% 2,946 2,547
40 to 49 3,245 -21.5% 3,762 -18.16% 2,541 3,109
50 to 59 2,206 +24.89% 1,849 +52.87% 2,800 3,019
60 to 69 1,262 +33.74% 1,552 +17.2% 1,727 1,807
70+ 974 +2.57% 1,508 +14.03% 984 1,719

Median Household Income

The latest median household income of Romeoville, Illinois is $88,205.00.

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 Romeoville.

  • Under 25
    $85,025.00
  • 25 to 44
    $86,582.00
  • 45 to 64
    $102,471.00
  • 65 and over
    $60,833.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Romeoville, 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 Romeoville, Illinois is currently $96,682.00.

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.

5.25% of households in Romeoville 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 Romeoville against other areas.

  • Less than $24,999
    7.91%
  • $25,000 to $49,999
    14.90%
  • $50,000 to $74,999
    16.50%
  • $75,000 to $99,999
    16.93%
  • $100,000 to $149,999
    29.35%
  • $150,000 to $199,999
    9.16%
  • $200,000 or more
    5.25%

Per Capita Income

The per capita income in Romeoville is $30,096.00.

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

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

Education Levels

We can also look at the education levels in Romeoville 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
    7.90%
  • Bachelor's degree
    27.33%
  • Some college or associate's degree
    12.87%
  • High school diploma or equivalent
    45.14%
  • Less than high school diploma
    6.76%

Employment

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

The total population of Romeoville over the age of 16 is 32,048.

Of those people, a total of 70.10% 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 Romeoville is 66.40%.

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 3,077 46.60% 15.20%
20 to 24 years 3,500 87.70% 8.80%
25 to 29 years 2,272 80.40% 4.80%
30 to 34 years 2,858 85.20% 5.50%
35 to 44 years 5,465 87.80% 2.40%
45 to 54 years 5,955 84.70% 3.20%
55 to 59 years 2,684 72.50% 4.40%
60 to 64 years 1,862 57.20% 5.40%
65 to 74 years 2,559 30.90% 0.00%
75 years and over 1,816 2.90% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Romeoville. 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 19,683 67.00% 4.50%
Black or African American 3,907 75.10% 5.70%
American Indian and Alaska Native 298 84.60% 6.70%
Asian 2,092 62.80% 6.30%
Native Hawaiian and Other Pacific Islander 7 0.00% 0.00%
Other 3,246 84.60% 4.50%
Two or more races 2,815 71.90% 6.90%
Hispanic or Latino 9,666 76.30% 5.40%
Not Hispanic or Latino 15,909 65.70% 4.60%

Occupations

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

The total population of civilian employees that are 16 years old or older in Romeoville is 21,266, with median earnings of $38,944.00.

Women in Romeoville, Illinois earning approximately 64.80% of the men's earnings.

Population Earnings
Total 21,266 $38,944.00
Male 11,407 $47,570.00
Female 9,859 $30,834.00

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 1,668 $70,333.00
Business and Financial 982 $59,878.00
Computer and Mathematical 613 $65,551.00
Architecture and Engineering 166 $83,261.00
Life, Physical, and Social Science 83 $68,558.00
Community and Social Service 192 $42,411.00
Legal 54 $74,125.00
Educational and Library 877 $32,842.00
Arts, Design, Entertainment, Sports, and Media 112 $5,978.00
Healthcare Practitioners 922 $47,473.00
Healthcare Support 623 $29,282.00
Firefighters and Protective Service 241 $22,901.00
Law Enforcement 198 $83,921.00
Food Preparation and Serving 1,026 $14,321.00
Building and Grounds Cleaning 446 $33,750.00
Personal Care and Service 522 $8,963.00
Sales 2,191 $24,131.00
Office and Administrative Support 2,633 $36,745.00
Farming, Fishing, and Forestry 42 $26,579.00
Construction and Extraction 977 $57,769.00
Installation, Maintenance, and Repair 1,080 $54,153.00
Production 1,973 $36,219.00
Transportation and Material Moving 1,510 $40,286.00

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 883 $77,696.00 785 $63,940.00
Business and Financial 376 $71,125.00 606 $58,507.00
Computer and Mathematical 475 $54,922.00 138 $73,529.00
Architecture and Engineering 166 $83,261.00 0 $0.00
Life, Physical, and Social Science 71 $68,173.00 12 $0.00
Community and Social Service 34 $45,375.00 158 $42,143.00
Legal 40 $0.00 14 $0.00
Educational and Library 222 $43,542.00 655 $28,144.00
Arts, Design, Entertainment, Sports, and Media 71 $4,471.00 41 $8,125.00
Healthcare Practitioners 210 $38,971.00 712 $51,810.00
Healthcare Support 116 $23,462.00 507 $29,653.00
Firefighters and Protective Service 176 $23,654.00 65 $16,103.00
Law Enforcement 90 $80,000.00 108 $0.00
Food Preparation and Serving 471 $21,493.00 555 $9,464.00
Building and Grounds Cleaning 280 $51,413.00 166 $18,889.00
Personal Care and Service 98 $17,500.00 424 $8,882.00
Sales 1,006 $44,537.00 1,185 $15,488.00
Office and Administrative Support 600 $51,500.00 2,033 $34,930.00
Farming, Fishing, and Forestry 33 $0.00 9 $0.00
Construction and Extraction 977 $57,769.00 0 $0.00
Installation, Maintenance, and Repair 1,080 $54,153.00 0 $0.00
Production 1,142 $49,766.00 831 $23,386.00
Transportation and Material Moving 1,337 $41,533.00 173 $27,043.00

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 12,047 households in Romeoville, with an average household size of 3.24 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 9,079 families in Romeoville with an average family size of 3.76 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 7,180 549 1,350 2,968
Average Household Size 3.93 3.85 3.62 1.3
Total Families 7,180 549 1,350 0
Average Household Size 3.9 3.12 3.27 0

Poverty

Of the 9,079 families in Romeoville, 4.90% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Romeoville:

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 12,682 housing units in Romeoville, Illinois.

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

Total Percentage
Occupied 12,047 94.99%
Vacant 635 5.01%

14.15% of the total 12,682 housing units in Romeoville are rental units. This is approximately 1,795 properties.

For owner-occupied housing units, a total of 10,166 are occupied by the owner - or 80.16% of the total.

Rental Rates

The median rent for a property in Romeoville is $1,668.00.

In the chart below, we can look at the number of rental properties in Romeoville 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
    86
  • Less than $500
    0
  • $500 to $999
    69
  • $1,000 to $1,499
    560
  • $1,500 to $1,999
    798
  • $2,000 to $2,499
    250
  • $2,500 to $2,999
    38
  • $3,000 or more
    80

Property Value

The median value of a property in Romeoville is $201,300.00.

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

  • Less than $50,000
    200
  • $50,000 to $99,999
    139
  • $100,000 to $149,999
    1,211
  • $150,000 to $199,999
    3,461
  • $200,000 to $299,999
    4,395
  • $300,000 to $499,999
    718
  • $500,000 to $999,999
    19
  • $1,000,000 or more
    23

Property Age

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

  • 1939 or earlier
    102
  • 1940 to 1949
    32
  • 1950 to 1959
    721
  • 1960 to 1969
    1,824
  • 1970 to 1979
    956
  • 1980 to 1989
    517
  • 1990 to 1999
    2,608
  • 2000 to 2009
    5,496
  • 2010 to 2013
    426
  • 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 Romeoville that have a particular number of vehicles available.

  • No vehicles available
    400
  • 1 vehicle available
    2,686
  • 2 vehicles available
    4,861
  • 3 or more vehicles available
    4,100

Commuting to Work

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

31.5 minutes is the average travel time to work for people in Romeoville.

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
    240
  • 5 to 9 minutes
    1,336
  • 10 to 14 minutes
    2,323
  • 15 to 19 minutes
    2,330
  • 20 to 24 minutes
    1,903
  • 25 to 29 minutes
    1,448
  • 30 to 34 minutes
    3,206
  • 35 to 39 minutes
    933
  • 40 to 44 minutes
    946
  • 45 to 59 minutes
    2,107
  • 60 to 89 minutes
    2,040
  • 90 or more minutes
    588

Summary

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