In 2021, Millbrook, IL had a population of 401 people with a median age of 34.9 and a median household income of $98,125. Between 2020 and 2021 the population of Millbrook, IL grew from 357 to 401, a 12.3% increase and its median household income grew from $91,875 to $98,125, a 6.8% increase.
The 5 largest ethnic groups in Millbrook, IL are White (Non-Hispanic) (97.5%), White (Hispanic) (1.75%), Two+ (Non-Hispanic) (0.748%), Black or African American (Non-Hispanic) (0%), and Black or African American (Hispanic) (0%).
None of the households in Millbrook, 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.
100% of the residents in Millbrook, IL are U.S. citizens.
In 2021, the median property value in Millbrook, IL was $281,300, and the homeownership rate was 90.3%.
Most people in Millbrook, IL drove alone to work, and the average commute time was 41.4 minutes. The average car ownership in Millbrook, IL was 3 cars per household.