In 2023, Northbrook, IL had a population of 34.6k people with a median age of 49.2 and a median household income of $155,321. Between 2022 and 2023 the population of Northbrook, IL declined from 34,950 to 34,642, a −0.881% decrease and its median household income grew from $150,236 to $155,321, a 3.38% increase.
The 5 largest ethnic groups in Northbrook, IL are White (Non-Hispanic) (73.2%), Asian (Non-Hispanic) (16.5%), Black or African American (Non-Hispanic) (2.75%), Two+ (Hispanic) (2.48%), and White (Hispanic) (2.29%).
None of the households in Northbrook, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
95.1% of the residents in Northbrook, IL are U.S. citizens.
In 2023, the median property value in Northbrook, IL was $644,100, and the homeownership rate was 86.6%.
Most people in Northbrook, IL drove alone to work, and the average commute time was 27.7 minutes. The average car ownership in Northbrook, IL was 2 cars per household.