What kinds of homes are in Oak Forest, IL?

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

Oak Forest, IL has 10,659 (±447) homes (2020–2024 American Community Survey).

That is about 1,767 homes per square mile of land.

68.4% are detached single-family houses.

3.8% are in buildings of two to four units.

22.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 10,659 (±447)
Detached houses: 68.4%
2–4 unit buildings: 3.8%
5+ unit buildings: 22.9%

Homes in Oak Forest by building size

Housing units by units in structure, 2020–2024
Building type	Oak Forest	Cook County	Illinois	United States
Single-family, detached	68.4% (±3.8 points)	39.6%	58.2%	61.3%
Single-family, attached (townhouse, rowhouse)	4.9% (±1.7 points)	5.5%	6.1%	6.2%
2 units	0.7% (±0.7 points)	8.9%	5.2%	3.4%
3 or 4 units	3.1% (±1.3 points)	10.4%	6.4%	4.3%
5 to 9 units	8.4% (±2.3 points)	9.7%	6.3%	4.5%
10 to 19 units	11.1% (±2.7 points)	5.0%	4.0%	4.3%
20 or more units	3.4% (±1.5 points)	20.1%	11.5%	10.3%
Mobile home	0.0% (±0.4 points)	0.8%	2.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.4 points)	0.0%	0.0%	0.1%

In Oak Forest, the share of homes in buildings of five or more units is lower than in Cook County (34.8%).

It is not measurably different from Illinois (21.8%).

It is not measurably different from the national figure (19.1%).

Homes in buildings of 5 or more units in places near Oak Forest

Nearest places with a published estimate, compared with Oak Forest
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Oak Forest	—	22.9% (±3.9 points)	—
Bremen Township	1.0 mi	21.0% (±2.0 points)	Not measurably different
Midlothian	2.0 mi	20.5% (±6.1 points)	Not measurably different
Crestwood	2.8 mi	56.1% (±9.2 points)	Higher
Markham	3.3 mi	1.5% (±1.7 points)	Lower
Country Club Hills	3.3 mi	5.9% (±2.7 points)	Lower
Robbins	3.4 mi	16.8% (±9.7 points)	Not measurably different
Tinley Park	3.7 mi	17.2% (±2.1 points)	Lower
Posen	3.8 mi	0.0% (±4.0 points)	Lower

Nearby places with a measurably lower figure: Markham, IL (1.5%), Country Club Hills, IL (5.9%), Tinley Park, IL (17.2%).

Nearby places with a measurably higher figure: Crestwood, IL (56.1%).

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 Cook County, place by place

Rank	Place	Homes in buildings of 5 or more units
49	Broadview	24.1% (±8.3 points)
50	Schaumburg Township	23.6% (±2.0 points)
51 (tie)	North Riverside	23.4% (±6.7 points)
51 (tie)	Palos Township	23.4% (±3.0 points)
53	Calumet City	23.2% (±3.6 points)
54	La Grange Park	23.0% (±4.1 points)
55 (tie)	Oak Forest	22.9% (±3.9 points)
55 (tie)	Oak Lawn	22.9% (±2.7 points)
57	Lyons Township	22.6% (±1.8 points)
58	Lyons	22.4% (±5.3 points)
59	Norwood Park Township	22.3% (±3.9 points)
60	Glenview	21.9% (±2.6 points)
61	Melrose Park	21.5% (±4.2 points)

Showing 13 of 148 places in Cook 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 Oak Forest

How many homes are in Oak Forest?

Oak Forest, IL has an estimated 10,659 (±447) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Oak Forest houses or apartments?

68.4% are detached houses and 4.9% attached houses, while 26.7% are in buildings of two or more units.

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

3.8% of homes in Oak 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 — Oak 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 Oak Forest city, Illinois (place:54638, 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.