| Place Name | Alta |
| Place Type | Census Designated Place |
| ZIP Code(s) | 95701 |
| County | Placer County |
| Area Code(s) | 530 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 527 |
| Population Growth Rate (2010-19) | 0.82% |
| Majority Ethnicity | White 95.38% |
| Metro/Micro Stats Area | Sacramento-Roseville-Folsom, CA |
| US Congressional District(s) | California 1st |
| State Assembly Districts | 1 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.38% |
| African American | 0.77% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.85% |