Northbrook, Illinois Population 2023

33,500

Northbrook is a city located in Cook County Illinois. With a 2023 population of 33,500, it is the 54th largest city in Illinois and the 1184th largest city in the United States.Northbrook is currently declining at a rate of -1.58% annually and its population has decreased by -4.68% since the most recent census, which recorded a population of 35,144 in 2020. Spanning over 13 miles, Northbrook has a population density of 2,530 people per square mile.

The average household income in Northbrook is $174,808 with a poverty rate of 3.86%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Northbrook is 49.7 years, 49.1 years for males, and 50.2 years for females.

Northbrook Demographics

According to the most recent ACS, the racial composition of Northbrook was:

  • White: 79.34%
  • Asian: 16.63%
  • Black or African American: 2.09%
  • Two or more races: 1.37%
  • Other race: 0.51%
  • Native American: 0.06%
  • Native Hawaiian or Pacific Islander: 0%
The current population of Northbrook, Illinois is 33,500 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 35,144.

Northbrook, Illinois Population 2023

Population by Race

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White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Northbrook Population by Race

Northbrook Population Pyramid 2023

Northbrook Median Age

49.7

Total

49.1

Male

50.2

Female

Northbrook Adults

There are 26,314 adults, (8,501 of whom are seniors) in Northbrook.

Northbrook Age Dependency

86.5

Age Dependency Ratio

47.7

Old Age Dependency Ratio

38.7

Child Dependency Ratio

Northbrook Sex Ratio

Female17,48652.64%
Male15,73047.36%

Northbrook Population by Age

Northbrook Renter vs Owner Occupied by Household Type

3.06

Average Family Size

2.55

Average Household Size

86.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Northbrook Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Northbrook Educational Attainment by Sex (over 25)

Northbrook Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 70.52%.

Northbrook Educational Attainment by Race

All

Male

Female

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$80,779

Average Earnings

$105,617

Average Male

$54,332

Average Female

Northbrook Earnings by Educational Attainment

Northbrook Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Northbrook Language

75.21% of Northbrook residents speak only English, while 24.79% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 14.54% of the population.

Northbrook Language

Northbrook Poverty by Race

rate

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3.86%

Overall Poverty Rate

2.86%

Male Poverty Rate

3.66%

Female Poverty Rate

Poverty in Northbrook

The race most likely to be in poverty in Northbrook is Hispanic, with 4.02% below the poverty level.

The race least likely to be in poverty in Northbrook is Black, with 1.24% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.24%. Among those working part-time, it was 2.56%, and for those that did not work, the poverty rate was 7.34%.

Northbrook Poverty

rate

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Northbrook Poverty Rate by Education

rate

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Northbrook Poverty Rate by Employment Status and Sex

Northbrook Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Northbrook Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

63.5%

Overall Marriage Rate

65.6%

Male Marriage Rate

61.6%

Female Marriage Rate

Northbrook Married by Age and Sex

male

female

Northbrook Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Northbrook Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Northbrook Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,222

Number of Veterans

1,194

Male Veterans

28

Female Veterans

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Northbrook Veterans by War

count

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Northbrook Veterans by Age

count

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Northbrook Veterans by Race

Northbrook Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

28.98%

Veteran Disability Rate

Northbrook Veterans by Education

LaborForceParticipation

58.4%

Labor Force Participation

57.2%

Employment Rate

2.1%

Unemployment Rate

Northbrook Employment by Age

LaborForceParticipation

Northbrook Employment by Race

LaborForceParticipation

Northbrook Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

58.58%

Born in Northbrook

75.51%

Native Born

19%

Foreign Born

3.39%

Non Citizen

15.61%

Naturalized

Place of Birth

75.51% of Northbrook residents were born in the United States, with 58.58% having been born in Illinois. 3.39% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Northbrook Place of Birth

Note: data after 2021 is projected based on recent change
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Northbrook Population by Year