| Place Name | Rio del Mar |
| Place Type | Census Designated Place |
| ZIP Code(s) | 95003 95076 |
| County | Santa Cruz County |
| Area Code(s) | 831 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 8,993 |
| Population Growth Rate (2010-19) | -0.95% |
| Majority Ethnicity | White 84.2% |
| Metro/Micro Stats Area | Santa Cruz-Watsonville, CA |
| US Congressional District(s) | California 20th |
| State Assembly Districts | 29 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 84.2% |
| African American | 0.61% |
| Hispanic | 0.43% |
| Asian | 2.2% |
| Native American | 0.14% |
| Hawaiin/Pacific Islander | 12.41% |