Willowbrook CDP, Illinois Demographics & Population 2026

Population Overview

Willowbrook CDP is a small community located in Illinois. The total population is 2,432. It ranks as the 470th most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Willowbrook CDP is 36.4 years. This is 6% lower than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Willowbrook CDP is $87,188. This is 7% higher than the state median of $81,702. Compared to the national median of $78,538, household income here is 11% higher. The poverty rate stands at 4.9%. This is 58% lower than the state poverty rate of 11.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.3%. This is 44% lower than the state rate of 5.8%. The median home value is $275,700. Housing costs are 10% higher than the state median of $250,500. The home-value-to-income ratio is 3.2x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 50% higher than the state average of 66.8%.

Race & Ethnicity

The largest racial or ethnic group in Willowbrook CDP is Black or African American, making up 78.2% of the population. White (non-Hispanic) residents account for 11.0%. The White (non-Hispanic) population (11.0%) is well below the state average of 58.8%. The Black or African American population is significantly higher than the state average (78.2% vs 13.6%). The Hispanic or Latino population (7.4%) is well below the state average of 18.5%. The Asian population (0.7%) is well below the state average of 5.8%.

Education

30.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 19% lower than the state rate of 37.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.6%.

Data Sources & Methodology

All demographic data for Willowbrook CDP, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. For official data, visit data.census.gov.