| Place Name | Simi Valley |
| Place Type | City |
| ZIP Code(s) | 93063 93065 |
| GEOID | 0672016 |
| County | Ventura County |
| Area Code(s) | 805,820 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2021) | 126,809 |
| Majority Ethnicity | White 64.45% |
| Metro/Micro Stats Area | Oxnard-Thousand Oaks-Ventura, CA |
| US Congressional District(s) | California 25thCalifornia 26th |
| State Assembly Districts | 38 |
| State Senate Districts | 27 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 64.45% |
| African American | 1.22% |
| Hispanic | 0.38% |
| Asian | 10.29% |
| Native American | 0.18% |
| Hawaiin/Pacific Islander | 23.47% |