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CITY · 1990 CENSUS

Northbrook

Illinois · 32,308 residents · 13.2 sq mi
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The short version

Northbrook is home to 32,308 people in Illinois. That is roughly 127% ahead of the Illinois median. 55% of adults hold a bachelor's degree, against 20% nationally. Median home value sits at $272,400. Households take in $73,362 a year at the median, 143% more than the country as a whole. Owners hold 90% of the housing stock.

At a glance
Wealthier
above the US median
US median: $30,130
Older
median age 40.9
US median: 33.0
More educated
55% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

Total population
32,308
−3%vs 2000
vs 33,435 in 2000
1990 – 2025
Median age
40.9
−7%vs 2000
vs 44.1 in 2000
US average: 33.0
Land area
13.2 sq mi
Population, 1990 – 2024
32K33K34K35K36K19902000201020202024Northbrook
202435K
1990201020202024
Age distribution, 1990
Under 56.2%(2,000)
US avg: 7.3%
5 to 96.3%(2,049)
US avg: 7.3%
10 to 147.3%(2,363)
US avg: 6.9%
15 to 196.4%(2,066)
US avg: 7.1%
20 to 244.7%(1,532)
US avg: 7.5%
25 to 3410.1%(3,277)
US avg: 17.5%
35 to 4416.2%(5,219)
US avg: 15.1%
45 to 5415.2%(4,899)
US avg: 10.2%
55 to 6413%(4,201)
US avg: 8.5%
65 to 748.8%(2,841)
US avg: 7.3%
75 to 843.8%(1,236)
US avg: 4%
85 and over1.9%(625)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$73,362
+1%inflation adjusted, since 2000
vs $95,665 in 2000
US average: $30,130
1990 – 2024
Per capita income
$38,100
−25%vs 2000
vs $50,765 in 2000
US average: $14,340
Poverty rate
1.8%
−0.5 ptsvs 2000
vs 2.3% in 2000
US average: 13.2%
Section 03

Housing

Median home value
$272,400
+2%inflation adjusted, since 2000
vs $353,100 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$916
−6%inflation adjusted, since 2000
vs $1,279 in 2000
US average: $450
Owner-occupied
90.5%
−1.2 ptsvs 2000
vs 91.7% in 2000
9.5% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic87.8%(29,346)
Black0.6%(190)
Hispanic / Latino1.8%(616)
Asian8.8%(2,952)
Other0%
1990
White, non-Hispanic93.2%(30,122)
Black0.1%(32)
Hispanic / Latino1.3%(424)
Asian6.4%(2,083)
Other0.2%(71)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican3.1%(1,061)
Colombian0.5%(161)
Puerto Rican0.4%(142)
Cuban0.2%(85)
Venezuelan0.2%(58)
Honduran0.2%(56)
Guatemalan0.1%(37)
Argentine0.1%(29)
Chilean0.1%(22)
Peruvian0%(16)
+ 3 more hispanic origin groups with data
Asian origin
Korean5.7%(1,986)
Asian Indian4.7%(1,642)
Chinese3.8%(1,300)
Filipino0.7%(248)
Taiwanese0.3%(111)
Japanese0.2%(73)
Pakistani0.2%(56)
Mongolian0.1%(42)
Vietnamese0.1%(41)
Thai0.1%(35)
Nepalese0.1%(30)
Cambodian0%(12)
Pacific Islander origin
Ancestry
German17.3%(5,984)
Irish9.7%(3,342)
Polish9.7%(3,340)
Italian6.2%(2,157)
Russian6.2%(2,134)
English4.1%(1,431)
American3.5%(1,211)
French3.1%(1,057)
Swedish2.3%(791)
Ukrainian1.9%(659)
Czech1.9%(651)
Greek1.7%(571)
+ 38 more ancestry groups with data
Swiss1.2%(417)
Arab1.2%(413)
Scottish1%(360)
Lithuanian1%(346)
Armenian0.9%(307)
Iranian0.9%(300)
Hungarian0.8%(289)
Belgian0.7%(238)
Romanian0.7%(237)
Austrian0.7%(234)
Danish0.7%(231)
Dutch0.6%(193)
Norwegian0.5%(173)
Serbian0.4%(147)
Welsh0.3%(109)
British0.3%(96)
Scotch-Irish0.3%(88)
Canadian0.2%(79)
Syrian0.2%(71)
Iraqi0.2%(61)
Croatian0.2%(60)
Israeli0.2%(56)
Egyptian0.1%(50)
Finnish0.1%(50)
Portuguese0.1%(46)
Lebanese0.1%(44)
Slovak0.1%(38)
Guyanese0.1%(33)
Slovene0.1%(19)
Latvian0%(12)
Bulgarian0%(10)
Turkish0%(9)
Haitian0%(4)
Kenyan0%(2)
Section 05

Education

Bachelor's degree or higher
55.1%
−7.1 ptsvs 2000
vs 62.2% in 2000
US average: 20.3%
High school or higher
93.9%
−1.7 ptsvs 2000
vs 95.6% in 2000
US average: 75.2%
Graduate degree
21.6%
−6.0 ptsvs 2000
vs 27.6% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
28.1 min
+31%vs 2000
vs 21.5 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married24.3%(3,409)
Married67.2%(9,406)
Widowed3.1%(440)
Divorced5.4%(752)
Women 15+
Never married18.7%(2,767)
Married61.8%(9,129)
Widowed10.3%(1,517)
Divorced9.2%(1,358)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured
2.2%
−1.2 ptssince 2013
from 3.4% in 2013
US average: 8.4%
Employer-based
66.1%
−2.1 ptssince 2020
from 68.2% in 2020
US average: 54.8%
Direct-purchase
21.5%
−0.1 ptssince 2020
from 21.6% in 2020
US average: 13.8%
Medicare
25.1%
+1.4 ptssince 2020
from 23.7% in 2020
US average: 18.4%
Medicaid
4.1%
+0.9 ptssince 2020
from 3.2% in 2020
US average: 20.9%
VA health care
0.8%
+0.1 ptssince 2020
from 0.7% in 2020
US average: 2.2%
Any private
84.9%
−3.4 ptssince 2020
from 88.3% in 2020
US average: 67.1%
Any public
27.6%
+1.9 ptssince 2020
from 25.7% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)20.2%(206)
US avg: 26.4%
Gulf War (1990s)6.4%(65)
US avg: 24.3%
Vietnam era27.9%(285)
US avg: 33.1%
Korean War9.7%(99)
US avg: 4.5%
World War II6.4%(65)
US avg: 1%

Share of the 1,022 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Compare Northbrook to nearby cities

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NORTHBROOK VS
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NORTHBROOK VS
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Frequently asked

How many people live in Northbrook, Illinois?

Northbrook, Illinois has about 32,308 residents according to the 1990 Census.

What is the median household income in Northbrook, Illinois?

The typical household in Northbrook, Illinois earns about $73,362 a year. Half of households make more than that, and half make less.

Is Northbrook, Illinois expensive?

In Northbrook, Illinois, the median home is worth about $272,400, and the typical rent is about $916 a month.

How educated are people in Northbrook, Illinois?

About 55.1% of adults age 25 and over in Northbrook, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Northbrook, Illinois?

About 1.8% of people in Northbrook, Illinois live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →