Willowbrook, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Willowbrook, California is 21,642 as of the 2023 American Community Survey, making it the 337th-largest city in California. The median household income is $60,386, the median home value is $511,100, and the median age is 32.8.
21,642
Population
12905
People / sq mi
$60,386
Median Income
$511,100
Median Home Value
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Willowbrook covers 1.7 sq mi of land at 12905 people per square mile.
About Willowbrook, CA
What distinguishes Willowbrook is density: among the most densely settled of US cities, around 12,905 people per square mile. Willowbrook is a city in California with a population of 21,642.
Earnings trail the nation, with the median household making $60,386, below the US median of $78,538. The poverty rate is 15.5%, above the national 12.4%. A typical home is worth $511,100, with typical rent around $1,549.
College credentials are comparatively rare here: just 13.3%, below the national 35.0%. Around 8.7% of workers work from home, below the national 14.0%, and the average commute runs about 32 minutes each way.
That density explains much of the rest of the profile in Willowbrook: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Race & Ethnicity
| White | 19.2% |
| Black or African American | 18.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.1% |
| Two or More Races | 0.0% |
Economy & Income
$60,386
Median Household Income
$20,983
Per Capita Income
15.5%
Poverty Rate
8.1%
Unemployment Rate
Housing
$511,100
Median Home Value
$1,549
Median Rent
40.5%
Owner-Occupied
Education
60.6%
High School+
13.3%
Bachelor's+
Commute
3.1%
Drive Alone
70.5%
Public Transit
8.7%
Work From Home
32.1 min
Avg Commute
Community Profile
6.3%
Foreign Born
32.4%
Non-English at Home
0.9%
Veterans
12.1%
With Disability
86.8%
Health Insurance
95.1%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 20.2% |
| Finance, Insurance & Real Estate | 11.8% |
| Retail Trade | 11.7% |
| Education, Health Care & Social Services | 10.2% |
| Construction | 9.4% |
| Manufacturing | 8.8% |
| Arts, Entertainment & Food Services | 3.9% |
| Public Administration | 3.0% |
| Information | 2.7% |
| Transportation & Warehousing | 1.3% |
| Agriculture & Mining | 0.8% |
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Frequently Asked Questions
Willowbrook, California has a population of 21,642 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 337th-largest city in California.
The median household income in Willowbrook, California is $60,386, with 15.5% of residents living below the federal poverty level.
The median home value in Willowbrook, California is $511,100, with median monthly rent at $1,549 and a homeownership rate of 40.5%.
The median age in Willowbrook, California is 32.8 years. The population is 48.0% male and 52.0% female.
Where to stay in Willowbrook
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.