Northbrook Flag

Northbrook

County:
Cook County
County Seat:
No
Area (mi²):
13.243
State:
Illinois

Northbrook is a village located in Cook County, Illinois. Northbrook has a 2025 population of 34,394 . Northbrook is currently declining at a rate of -0.44% annually and its population has decreased by -2.16% since the most recent census, which recorded a population of 35,152 in 2020.

The average household income in Northbrook is $218,418 with a poverty rate of 4.49%. The median age in Northbrook is 49.2 years: 47.9 years for males, and 50.1 years for females. For every 100 females there are 94.6 males.

34.4K
Total Population
2,597
Density (mi²)
-152 -0.44%
Growth

Northbrook Population

Northbrook Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Northbrook includes 75.45% White, 16.55% Asian, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

White (75.45%)

Asian (16.55%)

Two or more races (4.56%)

Black or African American (2.75%)

Other race (0.7%)

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%

Northbrook Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Northbrook's average per capita income is $92,533. Household income levels show a median of $155,321. The poverty rate stands at 4.49%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$219,321-
Families$206,150$264,534
Households$155,321$218,418
Non Families$63,472$89,654

$92,533

Average Income

$155,321

Median Household Income

4.49%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)