Northbrook Population

2011–2026

10,758

2026 projection

0.1% since 2020 (increase)

02K4K6K8K10K12K20122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Northbrook. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202610,758+60.06%
202510,752+110.05%
202310,741-4584.09%
202211,199+1941.76%
202111,005+2612.43%
202010,744+600.56%
201910,684-1481.37%
201810,832+720.67%
201710,760+4634.50%
201610,297-2482.35%

Showing 10 of 15 years.

Northbrook Demographics

36.3median age

Median age

Female38.8 yrs
Male34.7 yrs

Adults

8,213
1,278 seniors · 16%6,935 other adults

Sex

Female 45.9% · 4,931Male 54.1% · 5,811

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 107 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Northbrook Income

$67,426median household income

Median household income

$67,426

Half of households earn more, half earn less

Median earnings

$40,436

Typical yearly pay for a worker 25 or older.

Poverty rate

10.7%

About 1 in 9 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Northbrook Marital Status

41% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married41%41%40%
Never married41%46%37%
Divorced12%9%14%
Widowed5%2%8%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201