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CITY

Northbrook

Illinois · 34,744 residents (2025 est.) · 13.243 sq mi
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Notable rankings
#251Most work-from-homeof 6,82632.4%#274Most educatedof 6,82672.6%
The short version

Northbrook is significantly wealthier than the US average, with a median household income of $157,782. Population has held roughly steady since 2000. 73% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than doubled since 2000, reaching $652,300. With a median age of 49.6, the population is older than the US median of 38.9. It ranks in the top 1% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 49.6
US median: 38.9
More educated
73% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
34,585
+3%since 2000
from 33,435 in 2000
1990 – 2025
Population density
2,612 / sq mi
+3%since 2009
from 2,548 / sq mi in 2009
US average: 281
Median age
49.6
+12%since 2000
from 44.1 in 2000
US average: 38.9

PEP 2025 EST:34,744 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
32K33K34K35K36K1990201020202024Northbrook
202435K
1990201020202024
Age distribution, 2024
Under 54.8%(1,652)
US avg: 5.6%
5 to 96.4%(2,207)
US avg: 6%
10 to 145.6%(1,948)
US avg: 6.4%
15 to 196.5%(2,259)
US avg: 6.6%
20 to 243%(1,038)
US avg: 6.5%
25 to 346.2%(2,140)
US avg: 13.7%
35 to 4411.7%(4,040)
US avg: 13.2%
45 to 5413.8%(4,773)
US avg: 12.2%
55 to 6415.4%(5,340)
US avg: 12.7%
65 to 7413.1%(4,528)
US avg: 10.2%
75 to 848.9%(3,090)
US avg: 5.1%
85 and over4.5%(1,570)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$157,782
−9%inflation adjusted, since 2000
from $95,665 in 2000
US average: $82,259
1990 – 2024
Per capita income
$87,173
+72%since 2000
from $50,765 in 2000
US average: $44,673
Households earning $100K+
76.1%
+9.7 ptssince 2009
from 66.4% in 2009
US average: 53.3%
Poverty rate
4.3%
+2.0 ptssince 2000
from 2.3% in 2000
US average: 12.5%
Income inequality (Gini)
0.471
Unchangedsince 2010
from 0.472 in 2010
US average: 0.476
Workforce by industry, 2024
Other services16.5%
US avg: 6.7%
Public administration15.1%
US avg: 4.8%
Information9.7%
US avg: 10.8%
Retail trade7.6%
US avg: 9.9%
Wholesale trade4.2%
US avg: 6.9%
Transportation & warehousing2.8%
US avg: 2.2%
Arts, entertainment, food2.4%
US avg: 1.9%
Finance & insurance2.1%
US avg: 5.9%
Professional, scientific, technical1.9%
US avg: 5.1%
Education & health services0.2%
US avg: 0.9%
Agriculture, forestry, fishing0.1%
US avg: 1.6%
Construction0.1%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$652,300
+1%inflation adjusted, since 2000
from $353,100 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$2,463
+6%inflation adjusted, since 2000
from $1,279 in 2000
US average: $1,442
Owner-occupied
87.2%
−4.5 ptssince 2000
from 91.7% in 2000
12.8% rent
Vacancy rate
7.8%
+3.5 ptssince 2009
from 4.3% in 2009
US average: 10.0%
Owner cost-burdened
25.4%
−4.8 ptssince 2009
from 30.2% in 2009
US average: 22.9%
Renter cost-burdened
46.1%
+9.8 ptssince 2009
from 36.3% in 2009
US average: 47.4%
Afford Score
4.1
−15%since 2009
from 4.9 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
36
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Northbrook on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic87.8%(29,346)
Black0.6%(190)
Hispanic / Latino1.8%(616)
Asian8.8%(2,952)
Other0%
2024
White, non-Hispanic73.8%(25,521)
Black1.8%(626)
Hispanic / Latino5.4%(1,868)
Asian16.2%(5,594)
Other2.8%(976)
Diversity Score
53
+71%since 2009
from 31 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

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)
RANKED:Largest German population · Largest Irish population · Largest Polish population · Largest Italian population · Largest Russian population
Section 05

Education

Bachelor's degree or higher
72.6%
+10.4 ptssince 2000
from 62.2% in 2000
US average: 35.6%
High school or higher
97.2%
+1.6 ptssince 2000
from 95.6% in 2000
US average: 89.6%
Graduate degree
39.3%
+11.7 ptssince 2000
from 27.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
26.8 min
+24%since 2000
from 21.5 min in 2000
US average: 26.5
Drive alone to work
53.8%
−21.1 ptssince 2009
from 74.9% in 2009
US average: 68.9%
Carpooled to work
4.1%
−2.7 ptssince 2009
from 6.9% in 2009
US average: 8.5%
Public transit
5.7%
−3.0 ptssince 2009
from 8.7% in 2009
US average: 3.2%
Worked from home
32.4%
+25.4 ptssince 2009
from 7.0% in 2009
US average: 15.0%
Walked to work
2.0%
+0.9 ptssince 2009
from 1.1% in 2009
US average: 2.4%
Biked to work
0.6%
+0.2 ptssince 2009
from 0.4% in 2009
US average: 0.4%
No vehicle available
5.3%
+2.4 ptssince 2009
from 2.9% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.2%
−2.0 ptssince 2011
from 5.2% in 2011
US average: 5.2%
Labor force participation
59.2%
−1.1 ptssince 2011
from 60.3% in 2011
US average: 63.5%
Self-employed
12.4%
+0.2 ptssince 2009
from 12.2% in 2009
US average: 13.1%
Management & professional
68.6%
−10.2 ptssince 2009
from 78.8% in 2009
US average: 42.5%
Section 08

People & community

Male
49.1%
+0.1 ptssince 2009
from 49.0% in 2009
Female
50.9%
−0.1 ptssince 2009
from 51.0% in 2009
Foreign born
20.7%
+4.4 ptssince 2009
from 16.3% in 2009
US average: 14.1%
Veterans
3.7%
−43.4 ptssince 2009
from 47.2% in 2009
US average: 6.2%
With a disability
8.5%
+1.0 ptssince 2012
from 7.5% in 2012
US average: 13.3%
Uninsured
2.2%
−94.4 ptssince 2013
from 96.6% in 2013
US average: 8.4%
Broadband at home
94.7%
+5.3 ptssince 2017
from 89.4% in 2017
US average: 91.0%
English only at home
74.2%
−4.0 ptssince 2016
from 78.2% in 2016
US average: 77.7%
Spanish at home
2.2%
+0.7 ptssince 2016
from 1.5% in 2016
US average: 13.6%
Marital status
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
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Frequently asked

How many people live in Northbrook, Illinois?

Northbrook, Illinois has about 34,585 residents according to the 2024 American Community Survey.

What is the median household income in Northbrook, Illinois?

The typical household in Northbrook, Illinois earns about $157,782 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 $652,300, and the typical rent is about $2,463 a month.

How educated are people in Northbrook, Illinois?

About 72.6% 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 4.3% of people in Northbrook, Illinois live below the federal poverty line.

Has Northbrook, Illinois grown since 1990?

Yes, Northbrook, Illinois has grown since 1990. The population has added about 2,277 residents, a change of about 7 percent over that period.

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

How we source and harmonize this data →