Wonder Lake, Illinois Population 2021

3,858
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Wonder Lake is a city located in McHenry County Illinois. With a 2020 population of 3,858, it is the 375th largest city in Illinois and the 5513th largest city in the United States . Wonder Lake is currently declining at a rate of -0.31% annually and its population has decreased by -4.17% since the most recent census, which recorded a population of 4,026 in 2010. Wonder Lake reached it's highest population of 4,033 in 2010. Spanning over 6 miles, Wonder Lake has a population density of 799 people per square mile.

The average household income in Wonder Lake is $91,621 with a poverty rate of 12.18%. The median rental costs in recent years comes to $1,007 per month, and the median house value is $192,100. The median age in Wonder Lake is 39.2 years, 38.7 years for males, and 42.1 years for females.

Wonder Lake Demographics

According to the most recent ACS, the racial composition of Wonder Lake was:

  • White: 97.27%
  • Asian: 2.37%
  • Other race: 0.36%
  • Black or African American: 0.00%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Two or more races: 0.00%
The current population of Wonder Lake, Illinois is 3,858 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 3,894.The last official US Census in 2010 recorded the population at 4,026.

Wonder Lake, Illinois Population 2021

Population by Race

Race Population Percentage
White4,34497.27%
Asian1062.37%
Some Other Race160.36%
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Wonder Lake Population by Race

Wonder Lake Population Pyramid $2021

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Wonder Lake Median Age

39.2


Total

38.7


Male

42.1


Female

Wonder Lake Adults

There are 3,188 adults, (553 of whom are seniors) in Wonder Lake.

Wonder Lake Age Dependency

69.5

Age Dependency Ratio

21

Old Age Dependency Ratio

48.5

Child Dependency Ratio

Wonder Lake Sex Ratio

Female

2,158

48.32%

Male

2,308

51.68%

Wonder Lake Population by Age

Wonder Lake Renter vs Owner Occupied by Household Type

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Wonder Lake Household Types

Type Owner Renter
Female100%0%
Married98.3%1.7%
All82.9%17.1%
Male66.5%33.5%
Non Family64.5%35.5%

82.9%

Rate of Home Ownership

Wonder Lake Households and Families

Type Count Average Size Owned
All1,7352.5782.9
Married8473.198.3
Non Family5771.5764.5
Male2333.2266.5
Female782.35100

3

Average Family Size

2.57

Average Household Size

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Wonder Lake Households by Type

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Education Attained Count Percentage
Less Than 9th Grade0.00%
9th to 12th Grade702.33%
High School Graduate1,02033.94%
Some College80726.86%
Associates Degree2849.45%
Bachelors Degree51717.20%
Graduate Degree30710.22%
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Wonder Lake Educational Attainment by Sex (over 25)

Wonder Lake Educational Attainment by Race

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Race Total High School Bachelors
White2,5882,542705
Hispanic33230892
Asian858527

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 31.76%.

Wonder Lake Educational Attainment by Race

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Name Average Male Female
Overall$49,643$68,333$41,330
Less Than 9th Grade$$$
High School Graduate$41,040$65,802$25,750
Some College$50,337$52,083$40,760
Bachelors Degree$73,056$74,468$49,950
Graduate Degree$80,766$99,643$54,627

$49,643

Average Earnings

$68,333

Average Male

$41,330

Average Female

Wonder Lake Earnings by Educational Attainment

Wonder Lake Language by Age

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Wonder Lake Language

91.29% of Wonder Lake residents speak only English, while 8.71% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.75% of the population.

Wonder Lake Language

Wonder Lake Poverty by Race

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Name Total In Poverty Poverty Rate
White3,77652313.85%
Other1616100.00%

12.18%

Overall Poverty Rate

12.18%

Male Poverty Rate

12.19%

Female Poverty Rate

Poverty in Wonder Lake

The race most likely to be in poverty in Wonder Lake is Other, with 100.00% below the poverty level.

The race least likely to be in poverty in Wonder Lake is White, with 13.85% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 2.66%, and for those that did not work, the poverty rate was 30.25%.

Wonder Lake Poverty

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Name Poverty
Less Than 9th Grade21.43%
Some College10.54%
High School9.31%
Bachelors or Greater0.00%

Wonder Lake Poverty Rate by Education

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Rate Poverty
Female Unemployed52.31%
Male Unemployed50.00%
Female Employed0.00%
Male Employed0.00%

Wonder Lake Poverty Rate by Employment Status and Sex

Wonder Lake Income by Household Type

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Name Median Mean
Households$87,938$91,621
Families$97,917$101,611
Married Families$117,863-
Non Families$53,238$68,546
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Income by Household Type

Wonder Lake Marital Status

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Marriage Rates

52.1%

Overall Marriage Rate

49.5%

Male Marriage Rate

54.8%

Female Marriage Rate

Wonder Lake Married by Age and Sex

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Wonder Lake Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Wonder Lake Marital Status by Race

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Wonder Lake Marital Status

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230

Number of Veterans

208

Male Veterans

22

Female Veterans

War Veterans
Vietnam83
Second Gulf War54
World War II
Korea
First Gulf War

Wonder Lake Veterans by War

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Age Group Veterans
35 to 5476
75+71
65 to 7466
55 to 6417
18 to 34

Wonder Lake Veterans by Age

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Wonder Lake Veterans by Race

Wonder Lake Veterans by Education

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0.00%

Veteran Poverty Rate

37.39%

Veteran Disability Rate

Wonder Lake Veterans by Education

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71.5%

Labor Force Participation

68.3%

Employment Rate

4.5%

Unemployment Rate

Wonder Lake Employment by Age

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Wonder Lake Employment by Race

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Wonder Lake Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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85.04%

Born in Wonder Lake

94.96%

Native Born

5.04%

Foreign Born

1.41%

Non Citizen

3.63%

Naturalized

Place of Birth

94.96% of Wonder Lake residents were born in the United States, with 85.04% having been born in Illinois. 1.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Wonder Lake Place of Birth

Year Population Growth Annual Growth Rate
20213,858-12-0.31%
20203,870-12-0.31%
20193,882-12-0.31%
20183,894-11-0.28%
20173,905-7-0.18%
20163,912-25-0.64%
20153,937-15-0.38%
20143,952-19-0.48%
20133,971-30-0.75%
20124,001-18-0.45%
20114,019-14-0.35%
20104,0330.00%

Wonder Lake Population by Year