What kinds of homes are in Island Lake, IL?

Name: Types of homes in Island Lake, IL, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Island Lake, IL has 3,073 (±189) homes (2020–2024 American Community Survey).

That is about 912 homes per square mile of land.

76.3% are detached single-family houses.

0.7% are in buildings of two to four units.

1.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 3,073 (±189)
Detached houses: 76.3%
2–4 unit buildings: 0.7%
5+ unit buildings: 1.9%

Homes in Island Lake by building size

Housing units by units in structure, 2020–2024
Building type	Island Lake	McHenry County	Illinois	United States
Single-family, detached	76.3% (±4.3 points)	77.3%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	20.3% (±4.2 points)	10.2%	6.1%	6.2%
2 units	0.0% (±1.2 points)	1.1%	5.2%	3.4%
3 or 4 units	0.7% (±0.7 points)	2.6%	6.4%	4.3%
5 to 9 units	1.4% (±1.1 points)	4.3%	6.3%	4.5%
10 to 19 units	0.5% (±0.5 points)	1.7%	4.0%	4.3%
20 or more units	0.0% (±1.2 points)	2.1%	11.5%	10.3%
Mobile home	0.8% (±1.3 points)	0.7%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±1.2 points)	0.0%	0.0%	0.1%

In Island Lake, the share of homes in buildings of five or more units is lower than in McHenry County (8.1%).

It is also lower than in Illinois (21.8%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Island Lake

Nearest places with a published estimate, compared with Island Lake
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Island Lake	—	1.9% (±1.7 points)	—
Wauconda Township	1.8 mi	6.9% (±2.2 points)	Higher
Holiday Hills	1.9 mi	0.0% (±23.0 points)	Not measurably different
Port Barrington	2.4 mi	0.0% (±11.1 points)	Not measurably different
Oakwood Hills	2.9 mi	0.0% (±6.8 points)	Not measurably different
Wauconda	3.3 mi	10.9% (±3.8 points)	Higher
Prairie Grove	3.6 mi	0.0% (±8.3 points)	Not measurably different
Nunda Township	3.8 mi	6.3% (±1.8 points)	Higher
Volo	4.2 mi	2.8% (±2.5 points)	Not measurably different

Nearby places with a measurably higher figure: Wauconda Township, IL (6.9%), Wauconda, IL (10.9%), Nunda Township, IL (6.3%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across McHenry County, place by place

Rank	Place	Homes in buildings of 5 or more units
21	Hebron Township	5.4% (±7.1 points)
22 (tie)	McCullom Lake	4.6% (±13.1 points)
22 (tie)	Dunham Township	4.6% (±9.0 points)
24	Greenwood Township (McHenry County)	3.7% (±1.8 points)
25	Grafton Township	3.3% (±1.9 points)
26	Fox River Grove	2.5% (±4.7 points)
27	Island Lake	1.9% (±1.7 points)
28	Johnsburg	1.5% (±2.0 points)
29	Burton Township (McHenry County)	0.6% (±3.1 points)
30 (tie)	Bull Valley	0.0% (±12.1 points)
30 (tie)	Greenwood	0.0% (±31.4 points)
30 (tie)	Holiday Hills	0.0% (±23.0 points)
30 (tie)	Lakewood	0.0% (±4.0 points)

Showing 13 of 46 places in McHenry County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Island Lake

How many homes are in Island Lake?

Island Lake, IL has an estimated 3,073 (±189) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Island Lake houses or apartments?

76.3% are detached houses and 20.3% attached houses, while 2.6% are in buildings of two or more units.

How many two-family and small multifamily homes are in Island Lake?

0.7% of homes in Island Lake are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Island Lake village, Illinois

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Island Lake village, Illinois (place:37894, in state:17).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.