Oak Brook

Population: 8,028
Median household income: $171,123
Median home value: $867,900

Oak Brook, a community in DuPage County, Illinois, has 8,028 residents. Its median household income of $171,123 runs above the DuPage County figure of $110,502.

From 2019 to 2023, Oak Brook's population held roughly steady from 8,075 to 8,028, while its median home value rose 8.3% from $801,100 to $867,900.

7.3% of residents live below the poverty line. Households average 2.77 people.

Demographics

ACS 2019–2023

Population: 8,028
Median age: 51.7 yrs
Median household income: $171,123
Median home value: $867,900
Median gross rent: $2,921
Housing units: 3,151
Homeownership rate: 93.7%
Bachelor's degree or higher: 67.1%
Unemployment rate: 9.7%

Trends

ACS 5-year · 2019–2023

Population

8,0758,028

Median household income

$141,055$171,123

Median home value

$801,100$867,900

Median gross rent

$1,625$2,921

Year	Population	Median household income	Median home value	Median gross rent
2019	8,075	$141,055	$801,100	—
2020	8,085	$140,743	$770,700	—
2021	8,178	$146,409	$801,600	$1,625
2022	8,065	$158,663	$825,600	$3,501
2023	8,028	$171,123	$867,900	$2,921

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 53.9%

5 to 1717.6%

18 to 247.0%

25 to 344.5%

35 to 4411.3%

45 to 5410.6%

55 to 6414.7%

65 to 7414.1%

75 and over16.1%

	Count	Share
Under 5	317	3.9%
5 to 17	1,413	17.6%
18 to 24	561	7.0%
25 to 34	365	4.5%
35 to 44	911	11.3%
45 to 54	852	10.6%
55 to 64	1,183	14.7%
65 to 74	1,131	14.1%
75 and over	1,295	16.1%

Race & ethnicity

	Count	Share
White (non-Hispanic)	4,840	60.3%
Black or African American	86	1.1%
American Indian & Alaska Native	0	0.0%
Asian	2,393	29.8%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	24	0.3%
Two or more races	164	2.0%
Hispanic or Latino (any race)	521	6.5%

Educational attainment (age 25+)

No high school diploma2.1%

High school graduate13.1%

Some college or associate's17.7%

Bachelor's degree32.2%

Graduate or professional degree34.8%

	Count	Share
No high school diploma	123	2.1%
High school graduate	749	13.1%
Some college or associate's	1,016	17.7%
Bachelor's degree	1,850	32.2%
Graduate or professional degree	1,999	34.8%

Commute to work

Mean travel time to work: 32 min

Drove alone73.6%

Carpooled5.7%

Public transit3.0%

Walked1.2%

Bicycle0.0%

Worked from home16.6%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	2,136	73.6%
Carpooled	165	5.7%
Public transit	88	3.0%
Walked	34	1.2%
Bicycle	0	0.0%
Worked from home	481	16.6%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	438	18.1%
15 to 29 min	865	35.7%
30 to 44 min	672	27.7%
45 to 59 min	176	7.3%
60+ min	272	11.2%

Households

Average household size: 2.77
Poverty rate: 7.3% (577 of 7,935)

	Count	Share
Family households	2,220	77.5%
Nonfamily households	643	22.5%

Housing

Median year structure built: 1978

Occupancy

	Count	Share
Occupied	2,863	90.9%
Vacant	288	9.1%

Tenure (of occupied units)

	Count	Share
Owner-occupied	2,682	93.7%
Renter-occupied	181	6.3%

1-unit, detached84.1%

1-unit, attached6.1%

2 to 4 units0.0%

5 to 19 units0.0%

20 or more units9.5%

Mobile home & other0.3%

Units in structure

	Count	Share
1-unit, detached	2,651	84.1%
1-unit, attached	192	6.1%
2 to 4 units	0	0.0%
5 to 19 units	0	0.0%
20 or more units	299	9.5%
Mobile home & other	9	0.3%

Geography

Place GEOID: 1754534
Type (LSAD): 47
Land area: 7.98 sq mi
Water area: 0.32 sq mi
Center point: 41.8364, -87.9532