Northbrook, Illinois Population 2024

33,601
010K20K30K40K19501960197019801990200020102020YearPopulation

Northbrook Demographics

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

  • White: 75.45%
  • Asian: 16.55%
  • Two or more races: 4.56%
  • Black or African American: 2.75%
  • Other race: 0.7%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
13.2 sq mi
Density (mi²)
2,537.30/sq mi
Growth Since 2020
-4.28% (-1,504)
The current population of Northbrook, Illinois is 33,601 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 35,105.

Population by Race

Race
Population
Percentage (of total)
White26,13875.45%
Asian5,73216.55%
Two or more races1,5784.56%
Black or African American9522.75%
Other race2420.7%
Native American00%
Native Hawaiian or Pacific Islander00%
75.45%16.55%Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Northbrook Population by Race

Northbrook Population Pyramid 2024

010203040506070801.8K1.6K1.4K1.2K1K800600400200002004006008001K1.2K1.4K1.6K1.8KMaleFemale

Northbrook Median Age

49.2

Total

47.9

Male

50.1

Female

Northbrook Adults

There are 27,275 adults, (8,862 of whom are seniors) in Northbrook.

Northbrook Age Dependency

88.1

Age Dependency Ratio

48.1

Old Age Dependency Ratio

40

Child Dependency Ratio

Northbrook Sex Ratio

Female17,80051.38%
Male16,84248.62%

Northbrook Population by Age

Northbrook Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All13,2962.5586.613.4
Married8,6903.1294.95.1
Non Family3,5711.1270.129.9
Female7362.7577.222.8
Male2992.7765.634.4

3.05

Average Family Size

2.55

Average Household Size

86.6%

Rate of Home Ownership

65.36%5.54%26.86%Households by Type

Married

Male

Female

NonFamily

MarriedAllFemaleNon FamilyMale00.10.20.30.40.50.60.70.80.91

owner

renter

Northbrook Households and Families

Less Than 9th Grade9th to 12th GradeHigh School GraduateSome CollegeAssociates DegreeBachelors DegreeGraduate Degree01K2K3K4K5K

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2310.91%
Associates Degree1,0314.07%
Bachelors Degree8,40233.16%
Graduate Degree10,12739.97%
High School Graduate2,3929.44%
Less Than 9th Grade4641.83%
Some College2,68710.61%
9.44%10.61%33.16%39.97%Over 25 Education

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

AsianWhiteBlack2+ RacesHispanicOther Race0%20%40%60%80%100%

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White19,58619,08314,077
Asian4,0823,9953,415
Hispanic887806521
2+ Races605574385
Black547523327
Other Race1348946

The highest rate of high school graduation is among asian people with a rate of 97.87%.

The highest rate of bachelors degrees is among asian people with a rate of 83.66%.

Northbrook Educational Attainment by Race

OverallLess Than 9th GradeHigh School GraduateSome CollegeBachelors DegreeGraduate Degree$0$50,000$100,000$150,000

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$85,319$108,804$70,275
Graduate Degree$125,417$164,241$96,901
High School Graduate$56,452$59,193$34,034
Less Than 9th Grade$70,711$70,172$0
Overall$92,533$119,138$73,772
Some College$61,203$81,034$44,493

$92,533

Average Earnings

$119,138

Average Male

$73,772

Average Female

Northbrook Earnings by Educational Attainment

Northbrook Language by Age

74.57%13.69%8.61%Languages

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Northbrook Language

74.57% of Northbrook residents speak only English, while 25.43% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 13.69% of the population.

Northbrook Language

Northbrook Poverty by Race

OtherHispanicWhiteBlackAsianMultiple0%2%4%6%8%10%12%14%16%18%20%22%24%26%

rate

Name
Total
In Poverty
Poverty Rate
White24,9061,1574.65%
Asian5,6851873.29%
Hispanic1,8061136.26%
Other2165224.07%
Black876364.11%
Multiple1,578362.28%

4.49%

Overall Poverty Rate

3.32%

Male Poverty Rate

5.61%

Female Poverty Rate

Poverty in Northbrook

The race most likely to be in poverty in Northbrook is Other, with 24.07% below the poverty level.

The race least likely to be in poverty in Northbrook is Multiple, with 2.28% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.74%. Among those working part-time, it was 4.12%, and for those that did not work, the poverty rate was 9.12%.

Northbrook Poverty

Less Than 9th GradeHigh SchoolSome CollegeBachelors or Greater0%1%2%3%4%5%6%7%8%9%10%11%

rate

Rate
Poverty
Less Than 9th Grade10.6%
High School8.02%
Some College5.79%
Bachelors or Greater3.99%

Northbrook Poverty Rate by Education

Male EmployedMale UnemployedFemale EmployedFemale Unemployed0%5%10%15%20%25%30%35%

rate

Rate
Poverty
Female Unemployed32.23%
Male Unemployed22.87%
Female Employed1.71%
Male Employed0.98%

Northbrook Poverty Rate by Employment Status and Sex

Northbrook Income by Household Type

Under10k10kTo15k15kTo25k25kTo35k35kTo50k50kTo75k75kTo100k100kTo150k150kTo200kOver200k0102030405060

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$206,150$264,534
Households$155,321$218,418
Married Families$219,321$-999,999,999
Non Families$63,472$89,654
HouseholdsFamiliesMarried FamiliesNon Families050,000100,000150,000200,000250,000

mean

median

Income by Household Type

Northbrook Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

63.3%

Overall Marriage Rate

65.4%

Male Marriage Rate

61.4%

Female Marriage Rate

Northbrook Married by Age and Sex

35-4445-5455-64Over 6520-3415-19020406080

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

AsianWhiteNonHispanicWhiteTwoOrMoreRacesHispanicOtherRaceBlack0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Northbrook Marital Status

28.01%7.38%39.61%15.66%9.34%Veterans by War

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,004

Number of Veterans

957

Male Veterans

47

Female Veterans

War
Veterans
Vietnam263
Second Gulf War186
Korea104
World War II62
First Gulf War49

Northbrook Veterans by War

18 to 3435 to 5455 to 6465 to 7475+050100150200250300350400450500550600

count

Age Group
Veterans
75+583
18 to 34131
65 to 74125
35 to 5494
55 to 6471

Northbrook Veterans by Age

White2+ RacesAsianBlackHispanic01002003004005006007008009001,000

count

Name
Veterans
% of Total
White9024.2%
2+ Races466.39%
Asian410.97%
Black152.14%
Hispanic131.06%

Northbrook Veterans by Race

Northbrook Veterans by Education

21.12%24.9%51.99%Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0.41%

Veteran Poverty Rate

26.4%

Veteran Disability Rate

Northbrook Veterans by Education

16 - 1920 - 2425 - 2930 - 3435 - 4445 - 5455 - 5960 - 6465 - 7475+0102030405060708090100

LaborForceParticipation

60.5%

Labor Force Participation

58.6%

Employment Rate

3.2%

Unemployment Rate

Northbrook Employment by Age

Black2+ RacesOther RaceAsianWhite Non-HispanicWhiteHispanic0102030405060708090

LaborForceParticipation

Northbrook Employment by Race

Less Than High SchoolHigh School GraduateSome CollegeBachelors or Greater0102030405060708090

LaborForceParticipation

Northbrook Employment by Education

Origin of Non-Citizens

23.48%67.36%Origin

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

39.38%50.09%Origin

Europe

Asia

Africa

Oceania

Latin America

North America

59.4%

Born in Northbrook

78.84%

Native Born

21.16%

Foreign Born

4.88%

Non Citizen

16.28%

Naturalized

Place of Birth

78.84% of Northbrook residents were born in the United States, with 59.4% having been born in Illinois. 4.88% 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 2022 is projected based on recent change
Year
Population
Growth
Change
202931,721-376-1.17%
202832,097-376-1.16%
202732,473-376-1.14%
202632,849-376-1.13%
202533,225-376-1.12%
202433,601-376-1.11%
202333,977-125-0.37%
202234,102-458-1.33%
202134,560-545-1.55%
202035,1052,1796.62%
201932,926-179-0.54%
201833,105-219-0.66%
201733,324-188-0.56%
201633,512-136-0.4%
201533,648-59-0.18%
201433,707530.16%
201333,6541170.35%
201233,5371380.41%
201133,3991630.49%
201033,23600%
200033,4351,1273.49%
199032,3081,5304.97%
198030,7785,35621.07%
197025,42213,787118.5%
196011,6358,287247.52%
19503,348-28,373-89.45%

Northbrook Population by Year