| Place Name | Willowbrook |
| Place Type | Census Designated Place |
| ZIP Code(s) | 90059 90222 |
| County | Los Angeles County |
| Area Code(s) | 213,323,310,424 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 19,554 |
| Population Growth Rate (2010-19) | -32.48% |
| Majority Ethnicity | Hispanic 0.25% |
| Metro/Micro Stats Area | Los Angeles-Long Beach-Anaheim, CA |
| US Congressional District(s) | California 44th |
| State Assembly Districts | 64 |
| State Senate Districts | 35 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 24.78% |
| African American | 12.47% |
| Hispanic | 0.25% |
| Asian | 0.63% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 61.86% |