Village in Cook County, Illinois
Northbrook
District lines run through Northbrook, so who represents you here depends on your street. Search your address to see yours.
Who lives in Northbrook
Census survey estimates for 2020 to 2024, rounded.
People
- Population
- 34,600
- Median age
- 49.6 years
- Under 18
- 21%
- 65 and over
- 27%
- Veterans, of adults
- 4%
- Speak another language at home
- 26%
Race and ethnicity
- Hispanic or Latino, of any race
- 5%
- White, not Hispanic
- 74%
- Black, not Hispanic
- 2%
- Asian, not Hispanic
- 16%
Income and housing
- Median household income
- $157,800
- Below the poverty line
- 4%
- Bachelor's or higher, adults 25+
- 73%
- Owner-occupied homes
- 87%
- Median home value
- $652,000
2024 vote for president
Not counted for Northbrook on its own: its precincts follow township lines, not the town’s. See the figure for Cook County.
Represent all of Northbrook
Represent part of Northbrook
Each represents the part of Northbrook inside their district. Under each is how many people lived in that part at the 2020 Census, of 35,222 in all.
Janice D. SchakowskyU.S. Representative, District 9, Democratic2,770 people in this part
Bradley Scott SchneiderU.S. Representative, District 10, Democratic32,452 people in this part- LFLaura FineState Senator, District 9, Democratic5,195 people in this part
- JMJulie MorrisonState Senator, District 29, Democratic30,027 people in this part
- JGJen Gong-GershowitzState Representative, District 17, Democratic5,195 people in this part
- TMTracy Katz MuhlState Representative, District 57, Democratic27,342 people in this part
- BMBob MorganState Representative, District 58, Democratic2,685 people in this part
Northbrook's districts (7)
U.S. House (2)
- U.S. House District 9
Held by Janice D. Schakowsky, Democratic
Part of Northbrook: 2,770 people in 2020
- U.S. House District 10
Held by Bradley Scott Schneider, Democratic
Part of Northbrook: 32,452 people in 2020
Illinois Senate (2)
- Illinois Senate District 9
Held by Laura Fine, Democratic
Part of Northbrook: 5,195 people in 2020
- Illinois Senate District 29
Held by Julie Morrison, Democratic
Part of Northbrook: 30,027 people in 2020
Illinois House (3)
- Illinois House District 17
Held by Jen Gong-Gershowitz, Democratic
Part of Northbrook: 5,195 people in 2020
- Illinois House District 57
Held by Tracy Katz Muhl, Democratic
Part of Northbrook: 27,342 people in 2020
- Illinois House District 58
Held by Bob Morgan, Democratic
Part of Northbrook: 2,685 people in 2020
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024; towns and counties from the 2020 Census, 119th Congressional District and 2024 state legislative district tabulation. Figures rounded by us. Retrieved 2026-10-19. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.