| Place Name | Grass Valley |
| Place Type | City |
| ZIP Code(s) | 95945 95949 |
| County | Nevada County |
| Area Code(s) | 530 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 12,818 |
| Population Growth Rate (2010-19) | 8.99% |
| Majority Ethnicity | White 86.64% |
| Metro/Micro Stats Area | Truckee-Grass Valley, CA |
| US Congressional District(s) | California 1st |
| State Assembly Districts | 1 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 86.64% |
| African American | 0.52% |
| Hispanic | 0.16% |
| Asian | 1.79% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 10.9% |