| Place Name | Rancho Cucamonga |
| Place Type | City |
| ZIP Code(s) | 91701 91730 91737 91739 |
| County | San Bernardino County |
| Area Code(s) | 909 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 165,775 |
| Population Growth Rate (2010-19) | 5.56% |
| Majority Ethnicity | White 43.93% |
| Metro/Micro Stats Area | Riverside-San Bernardino-Ontario, CA |
| US Congressional District(s) | California 31st |
| State Assembly Districts | 40,41 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 43.93% |
| African American | 8.41% |
| Hispanic | 0.95% |
| Asian | 13.04% |
| Native American | 0.13% |
| Hawaiin/Pacific Islander | 33.53% |