US Census Data

Island Lake

In McHenry County, Illinois.

Population
8,023
-0.1%’19–’23
Median household income
$98,125
+17.8%’19–’23
Median home value
$241,900
+41.4%’19–’23

Located in McHenry County, Illinois, Island Lake is a community with a population of 8,023. Its median household income of $98,125 runs below the McHenry County figure of $102,836.

From 2019 to 2023, Island Lake's population held roughly steady from 8,035 to 8,023, while its median home value rose 41.4% from $171,100 to $241,900.

76.3% of workers drive to work alone. 74.1% of homes are single-family detached houses.

Demographics

ACS 2019–2023
Population
8,023
Median age
39.5 yrs
Median household income
$98,125
Median home value
$241,900
Median gross rent
$1,855
Housing units
3,045
Homeownership rate
81.7%
Bachelor's degree or higher
27.6%
Unemployment rate
6.7%

Trends

ACS 5-year · 2019–2023
Population
8,0358,023
Median household income
$83,292$98,125
Median home value
$171,100$241,900
Median gross rent
$1,388$1,855
YearPopulationMedian household incomeMedian home valueMedian gross rent
20198,035$83,292$171,100$1,388
20208,112$83,970$184,900$1,576
20218,057$84,940$196,400$1,589
20228,039$91,852$223,100$1,754
20238,023$98,125$241,900$1,855

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

Age distribution

CountShare
Under 55777.2%
5 to 171,19814.9%
18 to 246938.6%
25 to 3499812.4%
35 to 441,07913.4%
45 to 541,17814.7%
55 to 641,23415.4%
65 to 7481110.1%
75 and over2553.2%

Race & ethnicity

CountShare
White (non-Hispanic)5,94074.0%
Black or African American210.3%
American Indian & Alaska Native70.1%
Asian2182.7%
Native Hawaiian & Pacific Islander00.0%
Some other race00.0%
Two or more races1521.9%
Hispanic or Latino (any race)1,68521.0%

Educational attainment (age 25+)

CountShare
No high school diploma5139.2%
High school graduate1,63329.4%
Some college or associate's1,87633.8%
Bachelor's degree1,16320.9%
Graduate or professional degree3706.7%

Commute to work

Mean travel time to work
32 min

How workers get to work

CountShare
Drove alone3,24476.3%
Carpooled4219.9%
Public transit50.1%
Walked150.4%
Bicycle00.0%
Worked from home50611.9%
Other means591.4%

Travel time

CountShare
Under 15 min46712.5%
15 to 29 min1,37536.7%
30 to 44 min90024.0%
45 to 59 min59315.8%
60+ min40910.9%

Households

Average household size
2.75
Poverty rate
6.5% (519 of 7,940)
CountShare
Family households1,97868.5%
Nonfamily households91131.5%

Housing

Median year structure built
1989

Occupancy

CountShare
Occupied2,88994.9%
Vacant1565.1%

Tenure (of occupied units)

CountShare
Owner-occupied2,35981.7%
Renter-occupied53018.3%

Units in structure

CountShare
1-unit, detached2,25774.1%
1-unit, attached65421.5%
2 to 4 units90.3%
5 to 19 units792.6%
20 or more units230.8%
Mobile home & other230.8%

Geography

Place GEOID
1737894
Type (LSAD)
47
Land area
3.37 sq mi
Water area
0.21 sq mi
Center point
42.2788, -88.2005

Compare with nearby cities

5

Illinois rankings

21

Other places in McHenry County

40