Crystal Lake, McHenry County, Illinois Population and Demographics

In this article, we'll explore the population statistics for Crystal Lake, 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 Crystal Lake, Illinois. The most basic data is the total population, which is the total number of people living in Crystal Lake, Illinois. The estimated population of Crystal Lake, Illinois is 40,082 people, with a median age of 39.5.

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

Year Population Change 5-Year Change
2021
40,082
+1%
-0.62%
2020
39,685
-0.72% -
2019
39,974
-0.49% -
2018
40,170
-0.4% -
2017
40,331
- -

Population of Crystal Lake, 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
80.9%
81.7%
-0.98%
Black/African American
0.9%
1.1%
-18.18%
Native
0.1%
0%
0.00%
Hispanic
12.5%
12.5%
0.00%
Asian
3.1%
2.8%
+10.71%
Hawaiian/Pacific Islander
0%
0%
0.00%
Two Or More Races
2.1%
1.4%
+50.00%
Other
0.3%
0.4%
-25.00%

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 Crystal Lake, 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 39.5 -1% 38.6 -2.03% 40 -0.74%
2020 39.9 +0.76% 39.4 +1.55% 40.3 +0.25%
2019 39.6 -1.25% 38.8 -0.26% 40.2 -1.95%
2018 40.1 +3.08% 38.9 +2.37% 41 +3.02%
2017 38.9 - 38 - 39.8 -

The median age of Crystal Lake, 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 2,526 -8.88% 2,383 -1.77% 2,306 2,310
10 to 19 3,287 +9.45% 2,928 +5.18% 3,549 3,048
20 to 29 2,324 -7.12% 2,251 -20.26% 2,159 1,824
30 to 39 2,311 +3.57% 2,649 +6.21% 2,377 2,805
40 to 49 3,064 +4.67% 3,005 -14.23% 3,180 2,590
50 to 59 3,303 -17.19% 3,363 -12.38% 2,746 2,951
60 to 69 1,592 +38.94% 1,601 +48.39% 2,299 2,523
70+ 1,600 -7.61% 2,144 -8.62% 1,470 1,945

Median Household Income

The latest median household income of Crystal Lake, Illinois is $96,274.00.

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 Crystal Lake.

  • Under 25
    $0.00
  • 25 to 44
    $100,906.00
  • 45 to 64
    $117,864.00
  • 65 and over
    $58,804.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Crystal Lake, 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 Crystal Lake, Illinois is currently $113,603.00.

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.

11.17% of households in Crystal Lake 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 Crystal Lake against other areas.

  • Less than $24,999
    8.11%
  • $25,000 to $49,999
    15.28%
  • $50,000 to $74,999
    13.84%
  • $75,000 to $99,999
    14.98%
  • $100,000 to $149,999
    25.50%
  • $150,000 to $199,999
    11.13%
  • $200,000 or more
    11.17%

Per Capita Income

The per capita income in Crystal Lake is $41,507.00.

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

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

Education Levels

We can also look at the education levels in Crystal Lake 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
    15.72%
  • Bachelor's degree
    42.62%
  • Some college or associate's degree
    10.33%
  • High school diploma or equivalent
    29.11%
  • Less than high school diploma
    2.23%

Employment

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

The total population of Crystal Lake over the age of 16 is 31,367.

Of those people, a total of 70.20% 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 Crystal Lake is 66.80%.

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 2,498 48.80% 9.40%
20 to 24 years 2,367 86.30% 11.80%
25 to 29 years 1,616 97.00% 5.50%
30 to 34 years 2,053 83.00% 3.10%
35 to 44 years 5,956 88.10% 1.50%
45 to 54 years 5,694 88.90% 3.90%
55 to 59 years 2,946 79.60% 1.50%
60 to 64 years 2,379 68.90% 10.30%
65 to 74 years 3,843 27.10% 5.10%
75 years and over 2,015 7.10% 8.30%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Crystal Lake. 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 28,695 69.30% 4.20%
Black or African American 216 74.10% 15.00%
American Indian and Alaska Native 57 59.60% 23.50%
Asian 1,134 82.00% 6.90%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 559 75.30% 5.00%
Two or more races 706 82.20% 15.20%
Hispanic or Latino 3,313 80.80% 4.40%
Not Hispanic or Latino 26,197 68.10% 4.50%

Occupations

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

The total population of civilian employees that are 16 years old or older in Crystal Lake is 20,960, with median earnings of $49,968.00.

Women in Crystal Lake, Illinois earning approximately 60.60% of the men's earnings.

Population Earnings
Total 20,960 $49,968.00
Male 11,459 $60,806.00
Female 9,501 $36,828.00

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 2,772 $91,667.00
Business and Financial 1,386 $76,210.00
Computer and Mathematical 740 $118,000.00
Architecture and Engineering 373 $87,107.00
Life, Physical, and Social Science 100 $80,000.00
Community and Social Service 310 $66,731.00
Legal 191 $59,696.00
Educational and Library 1,473 $52,188.00
Arts, Design, Entertainment, Sports, and Media 482 $43,359.00
Healthcare Practitioners 995 $68,634.00
Healthcare Support 500 $25,941.00
Firefighters and Protective Service 329 $64,107.00
Law Enforcement 80 $90,556.00
Food Preparation and Serving 1,008 $20,972.00
Building and Grounds Cleaning 507 $27,537.00
Personal Care and Service 886 $14,093.00
Sales 2,496 $48,172.00
Office and Administrative Support 2,363 $35,680.00
Farming, Fishing, and Forestry 54 $40,714.00
Construction and Extraction 928 $56,351.00
Installation, Maintenance, and Repair 707 $62,456.00
Production 1,100 $36,042.00
Transportation and Material Moving 550 $43,977.00

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 1,714 $109,745.00 1,058 $65,556.00
Business and Financial 699 $89,455.00 687 $53,917.00
Computer and Mathematical 623 $125,078.00 117 $96,354.00
Architecture and Engineering 335 $86,458.00 38 $125,417.00
Life, Physical, and Social Science 45 $91,250.00 55 $78,036.00
Community and Social Service 62 $66,346.00 248 $70,278.00
Legal 114 $85,313.00 77 $51,458.00
Educational and Library 363 $69,044.00 1,110 $36,341.00
Arts, Design, Entertainment, Sports, and Media 262 $46,667.00 220 $28,611.00
Healthcare Practitioners 252 $107,083.00 743 $67,523.00
Healthcare Support 22 $0.00 478 $25,779.00
Firefighters and Protective Service 278 $74,038.00 51 $46,845.00
Law Enforcement 64 $79,167.00 16 $0.00
Food Preparation and Serving 511 $38,235.00 497 $11,212.00
Building and Grounds Cleaning 369 $34,306.00 138 $25,539.00
Personal Care and Service 248 $9,656.00 638 $14,505.00
Sales 1,461 $62,891.00 1,035 $35,729.00
Office and Administrative Support 713 $34,395.00 1,650 $35,858.00
Farming, Fishing, and Forestry 49 $41,607.00 5 $0.00
Construction and Extraction 895 $56,909.00 33 $0.00
Installation, Maintenance, and Repair 661 $61,788.00 46 $0.00
Production 894 $41,082.00 206 $22,054.00
Transportation and Material Moving 446 $47,500.00 104 $22,917.00

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 14,375 households in Crystal Lake, with an average household size of 2.76 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 11,073 families in Crystal Lake with an average family size of 3.17 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 8,870 764 1,439 3,302
Average Household Size 3.3 2.85 3 1.19
Total Families 8,870 764 1,439 0
Average Household Size 3.29 2.58 2.77 0

Poverty

Of the 11,073 families in Crystal Lake, 4.70% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Crystal Lake:

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 15,053 housing units in Crystal Lake, Illinois.

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

Total Percentage
Occupied 14,375 95.50%
Vacant 678 4.50%

20.94% of the total 15,053 housing units in Crystal Lake are rental units. This is approximately 3,152 properties.

For owner-occupied housing units, a total of 11,118 are occupied by the owner - or 73.86% of the total.

Rental Rates

The median rent for a property in Crystal Lake is $1,336.00.

In the chart below, we can look at the number of rental properties in Crystal Lake 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
    105
  • Less than $500
    141
  • $500 to $999
    538
  • $1,000 to $1,499
    1,370
  • $1,500 to $1,999
    736
  • $2,000 to $2,499
    236
  • $2,500 to $2,999
    34
  • $3,000 or more
    97

Property Value

The median value of a property in Crystal Lake is $241,500.00.

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

  • Less than $50,000
    365
  • $50,000 to $99,999
    563
  • $100,000 to $149,999
    530
  • $150,000 to $199,999
    2,151
  • $200,000 to $299,999
    4,689
  • $300,000 to $499,999
    2,646
  • $500,000 to $999,999
    160
  • $1,000,000 or more
    14

Property Age

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

  • 1939 or earlier
    958
  • 1940 to 1949
    316
  • 1950 to 1959
    1,148
  • 1960 to 1969
    1,304
  • 1970 to 1979
    2,290
  • 1980 to 1989
    2,079
  • 1990 to 1999
    4,484
  • 2000 to 2009
    1,901
  • 2010 to 2013
    512
  • 2014 or later
    61

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 Crystal Lake that have a particular number of vehicles available.

  • No vehicles available
    661
  • 1 vehicle available
    3,760
  • 2 vehicles available
    6,968
  • 3 or more vehicles available
    2,986

Commuting to Work

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

29.1 minutes is the average travel time to work for people in Crystal Lake.

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
    643
  • 5 to 9 minutes
    1,822
  • 10 to 14 minutes
    3,504
  • 15 to 19 minutes
    2,242
  • 20 to 24 minutes
    2,006
  • 25 to 29 minutes
    851
  • 30 to 34 minutes
    1,723
  • 35 to 39 minutes
    337
  • 40 to 44 minutes
    677
  • 45 to 59 minutes
    2,393
  • 60 to 89 minutes
    1,672
  • 90 or more minutes
    802

Summary

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