How many bedrooms do homes in Oak Brook, IL have?

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

In Oak Brook, IL, 2.8% of homes are studios or one-bedrooms and 84.2% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 4 bedrooms, 42.4% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 2.8%
3 or more bedrooms: 84.2% (±10.7 points)
Most common: 4 bedrooms

Homes in Oak Brook by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	Oak Brook	DuPage County	Illinois	United States
No bedroom (studio)	0.0% (±1.1 points)	1.8%	3.1%	2.9%
1 bedroom	2.8% (±2.1 points)	11.3%	11.5%	10.9%
2 bedrooms	13.0% (±3.8 points)	24.3%	27.7%	25.0%
3 bedrooms	18.6% (±4.7 points)	32.0%	35.8%	38.7%
4 bedrooms	42.4% (±7.3 points)	23.9%	16.9%	17.5%
5 or more bedrooms	23.2% (±6.2 points)	6.7%	4.8%	4.9%

In Oak Brook, the share of homes with three or more bedrooms is higher than in DuPage County (62.6%).

It is also higher than in Illinois (57.5%).

It is higher than the national figure (61.1%).

Homes with 3 or more bedrooms in places near Oak Brook

Nearest places with a published estimate, compared with Oak Brook
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
Oak Brook	—	84.2% (±10.7 points)	—
Oakbrook Terrace	1.4 mi	41.0% (±10.7 points)	Lower
York Township (DuPage County)	2.1 mi	59.6% (±1.9 points)	Lower
Clarendon Hills	2.6 mi	62.9% (±10.2 points)	Lower
Hinsdale	2.8 mi	86.8% (±6.2 points)	Not measurably different
Westmont	3.1 mi	41.2% (±3.6 points)	Lower
Westchester	3.3 mi	66.0% (±5.0 points)	Lower
Hillside	3.4 mi	56.5% (±9.7 points)	Lower
Western Springs	3.6 mi	92.0% (±7.9 points)	Not measurably different

Nearby places with a measurably lower figure: Oakbrook Terrace, IL (41.0%), York Township (DuPage County), IL (59.6%), Clarendon Hills, IL (62.9%).

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

Homes with 3 or more bedrooms across DuPage County, place by place

Rank	Place	Homes with 3 or more bedrooms
1	Wayne Township	87.5% (±3.4 points)
2	Hinsdale	86.8% (±6.2 points)
3	Oak Brook	84.2% (±10.7 points)
4	Burr Ridge	79.2% (±8.9 points)
5	Bartlett	76.9% (±4.7 points)
6	Hanover Park	71.8% (±3.9 points)
7	Elmhurst	70.9% (±3.0 points)
8	Winfield	70.7% (±7.8 points)
9	Roselle	69.9% (±5.2 points)

Showing 9 of 39 places in DuPage 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 Brook

What is the most common home size in Oak Brook?

The most common size is 4 bedrooms, 42.4% of homes in Oak Brook, IL.

How many studios and one-bedroom homes are in Oak Brook?

2.8% of homes in Oak Brook have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Oak Brook 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 Oak Brook village, Illinois (place:54534, 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_0039PE, DP04_0039PM, DP04_0040PE, DP04_0040PM, DP04_0041PE, DP04_0041PM, DP04_0042PE, DP04_0042PM, DP04_0043PE, DP04_0043PM, DP04_0044PE, DP04_0044PM

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.