| Place Name | Muscoy |
| Place Type | Census Designated Place |
| ZIP Code(s) | 92407 |
| County | San Bernardino County |
| Area Code(s) | 909 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 10,662 |
| Population Growth Rate (2010-19) | 0.70% |
| Majority Ethnicity | Hispanic 0.31% |
| Metro/Micro Stats Area | Riverside-San Bernardino-Ontario, CA |
| US Congressional District(s) | California 31st |
| State Assembly Districts | 47 |
| State Senate Districts | 20 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 38.94% |
| African American | 1.47% |
| Hispanic | 0.31% |
| Asian | 1.66% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 57.45% |