How many homes in Oak Brook, IL are overcrowded?

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

0.0% (±1.7 points) of occupied homes in Oak Brook, IL have more than one occupant per room (2020–2024 American Community Survey).

0.0% have more than 1.5.

0.0% lack complete plumbing.

0.0% lack a complete kitchen.

Figures last updated on November 12, 2026.

More than 1 per room: 0.0% (±1.7 points)
Lacking plumbing: 0.0%
Lacking a kitchen: 0.0%

Crowding and facilities in Oak Brook

Share of occupied homes, estimate (90% margin of error)
	Oak Brook	DuPage County	Illinois	United States
More than 1 person per room	0.0% (±1.7 points)	2.7% (±0.2 points)	2.4% (±0.1 points)	3.4%
More than 1.5 people per room	0.0% (±1.2 points)	0.9% (±0.1 points)	0.8% (±0.1 points)	1.2%
Lacking complete plumbing	0.0% (±1.2 points)	0.3% (±0.1 points)	0.3% (±0.1 points)	0.4%
Lacking a complete kitchen	0.0% (±1.2 points)	0.7% (±0.1 points)	0.8% (±0.1 points)	0.8%

A room is any whole room other than a bathroom, hall or porch; more than one person per room is the Census Bureau’s usual measure of crowding.

Complete plumbing means hot and cold running water and a bath or shower; a complete kitchen means a sink with a faucet, a stove or range and a refrigerator.

In Oak Brook, the share of crowded homes is lower than in DuPage County (2.7%).

It is also lower than in Illinois (2.4%).

It is lower than the national figure (3.4%).

Crowded homes in places near Oak Brook

Nearest places with a published estimate, compared with Oak Brook
Place	Distance	Crowded homes	Compared with this place
Oak Brook	—	0.0% (±1.7 points)	—
Oakbrook Terrace	1.4 mi	3.1% (±2.8 points)	Not measurably different
York Township (DuPage County)	2.1 mi	1.9% (±0.6 points)	Higher
Clarendon Hills	2.6 mi	2.6% (±3.2 points)	Not measurably different
Hinsdale	2.8 mi	1.4% (±1.1 points)	Not measurably different
Westmont	3.1 mi	2.6% (±1.3 points)	Higher
Westchester	3.3 mi	1.8% (±1.1 points)	Not measurably different
Hillside	3.4 mi	2.1% (±2.4 points)	Not measurably different
Western Springs	3.6 mi	0.0% (±1.1 points)	Not measurably different

Nearby places with a measurably higher figure: York Township (DuPage County), IL (1.9%), Westmont, IL (2.6%).

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

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

How many homes in Oak Brook are overcrowded?

0.0% of occupied homes in Oak Brook, IL have more than one person per room (2020–2024 American Community Survey).

How many homes in Oak Brook lack plumbing or a kitchen?

0.0% lack complete plumbing facilities and 0.0% lack complete kitchen facilities.

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_0078PE, DP04_0078PM, DP04_0079PE, DP04_0079PM, DP04_0073PE, DP04_0073PM, DP04_0074PE, DP04_0074PM

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.