| Place Name | El Rio |
| Place Type | Census Designated Place |
| ZIP Code(s) | 93036 |
| County | Ventura County |
| Area Code(s) | 805,820 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 5,790 |
| Population Growth Rate (2010-19) | -2.24% |
| Majority Ethnicity | Hispanic 3.27% |
| Metro/Micro Stats Area | Oxnard-Thousand Oaks-Ventura, CA |
| US Congressional District(s) | California 26th |
| State Assembly Districts | 44 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 44.06% |
| African American | 0.25% |
| Hispanic | 3.27% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 52.43% |