Willowbrook CDP, California Demographics & Population 2026

Population Overview

Willowbrook CDP is a small city located in California. The total population is 21,642. It ranks as the 337th most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in Willowbrook CDP is 32.8 years. This is 13% lower than the state median of 37.6 years.

Economy, Income & Housing

The median household income in Willowbrook CDP is $60,386. This is 37% lower than the state median of $96,334. Compared to the national median of $78,538, household income here is 23% lower. The poverty rate stands at 17.0%. This is 42% higher than the state poverty rate of 12.0%. The unemployment rate is 13.1%. This is 104% higher than the state rate of 6.4%. The median home value is $511,100. Housing costs are 27% lower than the state median of $695,400. The home-value-to-income ratio of 8.5x suggests that housing affordability is a significant concern for many residents. 40.6% of occupied housing units are owner-occupied. This homeownership rate is 27% lower than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in Willowbrook CDP is Hispanic or Latino, making up 78.0% of the population. Black or African American residents account for 18.1%. The White (non-Hispanic) population (1.0%) is well below the state average of 34.6%. The Black or African American population is significantly higher than the state average (18.1% vs 5.3%). The Hispanic or Latino population is significantly higher than the state average (78.0% vs 39.8%). The Asian population (1.9%) is well below the state average of 15.0%.

Education

13.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 63% lower than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 60.6%.

Data Sources & Methodology

All demographic data for Willowbrook CDP, California 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 California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,577 Census-designated places in California. For official data, visit data.census.gov.