What kinds of homes are in Lake Forest, IL?

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

Lake Forest, IL has 7,282 (±297) homes (2020–2024 American Community Survey).

That is about 423 homes per square mile of land.

76.6% are detached single-family houses.

4.0% are in buildings of two to four units.

12.7% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 7,282 (±297)
Detached houses: 76.6%
2–4 unit buildings: 4.0%
5+ unit buildings: 12.7%

Homes in Lake Forest by building size

Housing units by units in structure, 2020–2024
Building type	Lake Forest	Lake County	Illinois	United States
Single-family, detached	76.6% (±3.7 points)	66.6%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	6.7% (±2.1 points)	10.3%	6.1%	6.2%
2 units	2.7% (±1.2 points)	2.5%	5.2%	3.4%
3 or 4 units	1.3% (±1.0 points)	3.3%	6.4%	4.3%
5 to 9 units	0.5% (±0.4 points)	3.8%	6.3%	4.5%
10 to 19 units	1.5% (±1.0 points)	4.3%	4.0%	4.3%
20 or more units	10.7% (±2.9 points)	7.5%	11.5%	10.3%
Mobile home	0.1% (±0.1 points)	1.6%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.5 points)	0.0%	0.0%	0.1%

In Lake Forest, the share of homes in buildings of five or more units is not measurably different from Lake County (15.6%).

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 Lake Forest

Nearest places with a published estimate, compared with Lake Forest
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Lake Forest	—	12.7% (±3.1 points)	—
West Deerfield Township	2.8 mi	7.7% (±1.4 points)	Lower
Highwood	3.0 mi	23.1% (±9.5 points)	Higher
Bannockburn	3.0 mi	0.0% (±22.5 points)	Not measurably different
Shields Township	3.2 mi	16.8% (±3.0 points)	Not measurably different
Lake Bluff	3.3 mi	1.3% (±2.7 points)	Lower
Mettawa	3.3 mi	0.0% (±21.7 points)	Not measurably different
Knollwood	3.6 mi	5.1% (±7.9 points)	Not measurably different
Lincolnshire	4.1 mi	32.0% (±4.2 points)	Higher

Nearby places with a measurably lower figure: West Deerfield Township, IL (7.7%), Lake Bluff, IL (1.3%).

Nearby places with a measurably higher figure: Highwood, IL (23.1%), Lincolnshire, IL (32.0%).

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 Lake County, place by place

Rank	Place	Homes in buildings of 5 or more units
22	Highland Park	17.9% (±2.5 points)
23	Green Oaks	17.7% (±7.9 points)
24	Lake Zurich	17.2% (±4.8 points)
25	Shields Township	16.8% (±3.0 points)
26	Antioch	16.5% (±4.1 points)
27	Libertyville	15.8% (±2.7 points)
28	Lake Forest	12.7% (±3.1 points)
29	Grant Township (Lake County)	12.3% (±3.3 points)
30	Cuba Township	12.2% (±2.4 points)
31	Lake Barrington	12.1% (±4.1 points)
32	Antioch Township	11.7% (±2.3 points)
33	Avon Township	11.3% (±2.1 points)
34	Wauconda	10.9% (±3.8 points)

Showing 13 of 71 places in Lake 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 Lake Forest

How many homes are in Lake Forest?

Lake Forest, IL has an estimated 7,282 (±297) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Lake Forest houses or apartments?

76.6% are detached houses and 6.7% attached houses, while 16.7% are in buildings of two or more units.

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

4.0% of homes in Lake Forest 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 — Lake Forest city, 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 Lake Forest city, Illinois (place:41105, 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.