Northbrook, Illinois Population 2020

32,793

Northbrook is a city located in Cook County, Illinois. With a 2020 population of 32,793, it is the 57th largest city in Illinois and the 1194th largest city in the United States. Northbrook is currently declining at a rate of -0.57% annually and its population has decreased by -1.14% since the most recent census, which recorded a population of 33,170 in 2010. Northbrook reached it's highest population of 33,732 in 2014. Spanning over 13 miles, Northbrook has a population density of 2,477 people per square mile.

The average household income in Northbrook is $171,908 with a poverty rate of 3.01%. The median rental costs in recent years comes to $2,046 per month, and the median house value is $530,900. The median age in Northbrook is 50 years, 49.7 years for males, and 50.2 years for females. For every 100 females there are 87.8 males.

Northbrook Il Demographics

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

  • White: 82.37%
  • Asian: 14.54%
  • Two or more races: 1.38%
  • Black or African American: 1.29%
  • Other race: 0.33%
  • Native American: 0.09%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Northbrook, Illinois is 32,793, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 33,167. The last official US Census in 2010 recorded the population at 33,170.

Population by Race

Race Population Percentage
White27,56582.37%
Asian4,86414.54%
Two or More Races4611.38%
Black or African American4321.29%
Some Other Race1120.33%
American Indian and Alaska Native290.09%

Northbrook Il Population Pyramid 2020

Northbrook Il Median Age

50


Total

49.7


Male

50.2


Female

Northbrook Il Adults

There are 26,142 adults, (9,020 of whom are seniors) in Northbrook Il.

Northbrook Il Age Dependency

95.4

Age Dependency Ratio

52.7

Old Age Dependency Ratio

42.8

Child Dependency Ratio

Northbrook Il Sex Ratio

Female

17,821

53.26%

Male

15,642

46.74%

Northbrook Il Households and Families

Northbrook Il Renter vs Owner Occupied by Household Type

Northbrook Il Household Types

Type Owner Renter
Married91.9%8.1%
All85.8%14.2%
Male80.5%19.5%
Female75.8%24.2%
Non Family71.3%28.7%

85.8%

Rate of Home Ownership

Type Count Average Size Owned
All12,9452.5385.8
Married8,8603.0391.9
Non Family3,1601.0571.3
Female7562.6975.8
Male1693.1880.5

2.99

Average Family Size

2.53

Average Household Size

1.1%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Northbrook Il Education

Education Attained Count Percentage
Less Than 9th Grade2350.95%
9th to 12th Grade4641.87%
High School Graduate2,84111.44%
Some College3,20812.92%
Associates Degree9053.64%
Bachelors Degree9,15736.87%
Graduate Degree8,02832.32%

Northbrook Il Educational Attainment by Race

Name Total High School Bachelors
White20,21319,80313,849
Asian3,6983,5572,885
Hispanic485380233
Black291274134
Multiple Races14511484
Other Race961414
Native American2929

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 78.02%.

Name Average Male Female
Overall$79,577$104,123$49,416
Less Than High School$79,153$85,184$
High School Grad$40,543$51,339$28,750
Some College$37,056$60,947$31,477
Bachelors Degree$68,030$102,043$42,072
Graduate Degree$107,438$128,293$83,869

$79,577

Average Earnings

$104,123

Average Male

$49,416

Average Female

Northbrook Il Language

Northbrook Il Language by Age

Northbrook Il Language

75.55% of Northbrook Il residents speak only English, while 24.45% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 12.78% of the population.

Northbrook Il Poverty

Northbrook Il Poverty by Race

Name Total In Poverty Poverty Rate
White26,5428373.15%
Asian4,858961.98%
Multiple461265.64%
Hispanic676202.96%
Black32282.48%

3.01%

Overall Poverty Rate

3.08%

Male Poverty Rate

2.94%

Female Poverty Rate

Poverty in Northbrook Il

The race most likely to be in poverty in Northbrook Il is Multiple, with 5.64% below the poverty level.

The race least likely to be in poverty in Northbrook Il is Asian, with 1.98% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.16%. Among those working part-time, it was 3.07%, and for those that did not work, the poverty rate was 6.14%.

Name Poverty
Less Than High School13.68%
High School5.59%
Some College5.31%
Bachelors or Greater1.86%
Name Poverty
Female Unemployed6.57%
Male Unemployed5.61%
Male Employed1.42%
Female Employed0.72%

Northbrook Il Income

Northbrook Il Income by Household Type

Name Median Mean
Households$123,457$171,908
Families$155,860$203,119
Married Families$159,500-
Non Families$45,254$72,513

Northbrook Il Marital Status

Northbrook Il Marital Status

Marriage Rates

66.9%

Overall Marriage Rate

70.6%

Male Marriage Rate

63.6%

Female Marriage Rate

Northbrook Il Married by Age and Sex

Northbrook Il Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Northbrook Il Marital Status by Race

Northbrook Il Veterans

1,386

Number of Veterans

1,335

Male Veterans

51

Female Veterans

War Veterans
World War II434
Vietnam323
Korea275
First Gulf War61
Second Gulf War35
Name Veterans % of Total
White1,3626.26%
Asian120.32%
Black124.10%
Hispanic71.34%

$Northbrook Il Veterans by Education

1.32%

Veteran Poverty Rate

38.81%

Veteran Disability Rate

Northbrook Il Employment Status

56.2%

Labor Force Participation

54.7%

Employment Rate

2.8%

Unemployment Rate

Northbrook Il Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

60.04%

Born in Illinois

79.93%

Native Born

20.07%

Foreign Born

4.37%

Non Citizen

Place of Birth

79.93% of Northbrook Il residents were born in the United States, with 60.04% having been born in Illinois. 4.37% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
202032,793-187-0.57%
201932,980-187-0.56%
201833,167-193-0.58%
201733,360-187-0.56%
201633,547-132-0.39%
201533,679-53-0.16%
201433,732600.18%
201333,6721210.36%
201233,5511470.44%
201133,4041640.49%
201033,240-195-0.06%
200033,4351,1270.34%
199032,3081,5300.49%
198030,7785,3561.93%
197025,42213,7878.13%
196011,6358,28713.27%
19503,3480.00%