Clarendon Hills vs Oak Brook

A side-by-side comparison of Clarendon Hills and Oak Brook: population, income, housing, and more.

Clarendon Hills and Oak Brook are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Clarendon Hills has the higher population (8,642 vs 8,028 in Oak Brook). Oak Brook has the higher median household income ($171,123 vs $125,826 in Clarendon Hills). Oak Brook has the higher median home value ($867,900 vs $595,500 in Clarendon Hills).

Population, income & housing

	Clarendon Hills	Oak Brook
Population	8,642	8,028
Median age	41.4 yrs	51.7 yrs
Median household income	$125,826	$171,123
Median home value	$595,500	$867,900
Median gross rent	$1,124	$2,921
Housing units	3,417	3,151
Homeownership rate	82.9%	93.7%
Bachelor's degree or higher	77.4%	67.1%
Unemployment rate	2.8%	9.7%

Trends (ACS 5-year, 2019–2023)

	Clarendon Hills	Oak Brook
Population	8,716 → 8,642 (-0.8%)	8,075 → 8,028 (-0.6%)
Median household income	$111,958 → $125,826 (+12.4%)	$141,055 → $171,123 (+21.3%)
Median home value	$506,400 → $595,500 (+17.6%)	$801,100 → $867,900 (+8.3%)
Median gross rent	$978 → $1,124 (+14.9%)	$1,625 → $2,921 (+79.8%)

Clarendon Hills

Population

8,7168,642

Median household income

$111,958$125,826

Median home value

$506,400$595,500

Median gross rent

$978$1,124

Oak Brook

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

Age & race/ethnicity

Age distribution (share)

	Clarendon Hills	Oak Brook
Under 5	5.1%	3.9%
5 to 17	24.0%	17.6%
18 to 24	6.7%	7.0%
25 to 34	8.0%	4.5%
35 to 44	12.8%	11.3%
45 to 54	15.3%	10.6%
55 to 64	13.5%	14.7%
65 to 74	6.7%	14.1%
75 and over	7.9%	16.1%

Race & ethnicity (share)

	Clarendon Hills	Oak Brook
White (non-Hispanic)	80.8%	60.3%
Black or African American	0.7%	1.1%
American Indian & Alaska Native	0.0%	0.0%
Asian	11.1%	29.8%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.7%	0.3%
Two or more races	3.3%	2.0%
Hispanic or Latino	3.3%	6.5%

Educational attainment (age 25+)

Share of adults 25+

	Clarendon Hills	Oak Brook
No high school diploma	0.6%	2.1%
High school graduate	10.0%	13.1%
Some college or associate's	12.1%	17.7%
Bachelor's degree	39.0%	32.2%
Graduate or professional degree	38.4%	34.8%

Commute to work

How workers get to work (share)

	Clarendon Hills	Oak Brook
Drove alone	48.9%	73.6%
Carpooled	2.3%	5.7%
Public transit	10.3%	3.0%
Walked	1.2%	1.2%
Bicycle	0.6%	0.0%
Worked from home	35.4%	16.6%
Other means	1.3%	0.0%

Housing

Units in structure (share)

	Clarendon Hills	Oak Brook
1-unit, detached	69.4%	84.1%
1-unit, attached	4.9%	6.1%
2 to 4 units	3.4%	0.0%
5 to 19 units	11.5%	0.0%
20 or more units	10.9%	9.5%
Mobile home & other	0.0%	0.3%

Poverty & households

	Clarendon Hills	Oak Brook
Poverty rate	7.9%	7.3%
Average household size	2.59	2.77
Mean commute (minutes)	29	32
Median year structure built	1981	1978