Wonder Lake

Population: 4,141
Median household income: $102,829
Median home value: $242,300

Wonder Lake is a community in McHenry County, Illinois, home to 4,141 residents. The median household income of $102,829 is in line with the McHenry County median ($102,836).

Between 2019 and 2023, Wonder Lake's population declined 7.3% from 4,466 to 4,141, while its median home value rose 26.1% from $192,100 to $242,300.

98.3% of homes are single-family detached houses. The typical home was built around 1968.

Demographics

ACS 2019–2023

Population: 4,141
Median age: 33.8 yrs
Median household income: $102,829
Median home value: $242,300
Median gross rent: $1,577
Housing units: 1,668
Homeownership rate: 97.1%
Bachelor's degree or higher: 23.5%
Unemployment rate: 6.0%

Trends

ACS 5-year · 2019–2023

Population

4,4664,141

Median household income

$87,938$102,829

Median home value

$192,100$242,300

Median gross rent

$1,007$1,577

Year	Population	Median household income	Median home value	Median gross rent
2019	4,466	$87,938	$192,100	$1,007
2020	3,955	$83,958	$186,900	$726
2021	4,032	$95,152	$206,900	$786
2022	3,833	$99,844	$226,500	$1,055
2023	4,141	$102,829	$242,300	$1,577

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.4%

5 to 1721.4%

18 to 249.1%

25 to 3416.6%

35 to 449.8%

45 to 5411.0%

55 to 6414.3%

65 to 7411.9%

75 and over1.3%

	Count	Share
Under 5	184	4.4%
5 to 17	888	21.4%
18 to 24	377	9.1%
25 to 34	689	16.6%
35 to 44	406	9.8%
45 to 54	457	11.0%
55 to 64	594	14.3%
65 to 74	494	11.9%
75 and over	52	1.3%

Race & ethnicity

	Count	Share
White (non-Hispanic)	2,842	68.6%
Black or African American	0	0.0%
American Indian & Alaska Native	0	0.0%
Asian	76	1.8%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	133	3.2%
Two or more races	22	0.5%
Hispanic or Latino (any race)	1,068	25.8%

Educational attainment (age 25+)

No high school diploma5.1%

High school graduate32.6%

Some college or associate's38.8%

Bachelor's degree17.2%

Graduate or professional degree6.3%

	Count	Share
No high school diploma	137	5.1%
High school graduate	877	32.6%
Some college or associate's	1,045	38.8%
Bachelor's degree	463	17.2%
Graduate or professional degree	170	6.3%

Commute to work

Mean travel time to work: 36 min

Drove alone81.5%

Carpooled4.1%

Public transit0.3%

Walked0.0%

Bicycle0.0%

Worked from home14.1%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	1,748	81.5%
Carpooled	88	4.1%
Public transit	7	0.3%
Walked	0	0.0%
Bicycle	0	0.0%
Worked from home	303	14.1%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	197	10.7%
15 to 29 min	699	37.9%
30 to 44 min	316	17.1%
45 to 59 min	286	15.5%
60+ min	345	18.7%

Households

Average household size: 2.70
Poverty rate: 4.5% (183 of 4,105)

	Count	Share
Family households	1,227	80.0%
Nonfamily households	306	20.0%

Housing

Median year structure built: 1968

Occupancy

	Count	Share
Occupied	1,533	91.9%
Vacant	135	8.1%

Tenure (of occupied units)

	Count	Share
Owner-occupied	1,489	97.1%
Renter-occupied	44	2.9%

1-unit, detached98.3%

1-unit, attached1.7%

2 to 4 units0.0%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	1,640	98.3%
1-unit, attached	28	1.7%
2 to 4 units	0	0.0%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	0	0.0%

Geography

Place GEOID: 1782855
Type (LSAD): 47
Land area: 4.96 sq mi
Water area: 1.16 sq mi
Center point: 42.3834, -88.3500