Willowbrook Flag

Willowbrook

County Seat:
No
Area (mi²):
1.677
State:
California

Willowbrook is a CDP located in Los Angeles County, California. Willowbrook has a 2026 population of 18,333. Willowbrook is currently declining at a rate of -5.68% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Willowbrook is $62,582 with a poverty rate of 18.28%. The median age in Willowbrook is 33.5 years: 34 years for males, and 32.4 years for females. For every 100 females there are 93.6 males.

18.3K
Total Population
10,930
Density (mi²)
-1.1K -5.68%
Growth

Willowbrook Population

Willowbrook Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202618,333-1,103-5.68%
202519,436-1,103-5.37%

Median Age

Overall: 33.5 years
Female: 32.4 years
Male: 34 years

Willowbrook Adults

There are 16,089 adults, (2,019 of whom are seniors) in Willowbrook.

Sex Ratio

Female: 11,200 (51.7%)
Male: 10,481 (48.3%)

Demographics

The racial composition of Willowbrook includes 43.21% other race, 15.9% Black or African American, 12.16% White, and smaller percentages for Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Other race9,36843.21%
Two or more races5,41824.99%
Black or African American3,44715.9%
White2,63712.16%
Native American5042.32%
Asian2411.11%
Native Hawaiian or Pacific Islander660.3%
Race
Population ↓
Percentage (of total)
Other race9,35043.13%
Two or more races5,25624.24%
White2,42911.2%
Native American4872.25%
Black or African American1020.47%
Race
Population ↓
Percentage (of total)
Black or African American3,34515.43%
Asian2411.11%
White2080.96%
Two or more races1620.75%
Native Hawaiian or Pacific Islander660.3%
Other race180.08%
Native American170.08%

Willowbrook Marital Status

Economics and Income Statistics

Willowbrook 's average per capita income is $39,074. Household income levels show a median of $62,582. The poverty rate stands at 18.28%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$87,218-
Families$69,703$86,231
Households$62,582$78,691
Non Families$25,343$39,934

$39,074

Average Income

$62,582

Median Household Income

18.28%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)