| Place Name | Arnold |
| Place Type | Census Designated Place |
| ZIP Code(s) | 95223 |
| County | Calaveras County |
| Area Code(s) | 209 |
| Timezone | Pacific Standard Time (PST) |
| Population (2022) | 2,552 |
| Population Growth Rate (2010-19) | -14.44% |
| Majority Ethnicity | White 88.36% |
| US Congressional District(s) | California 4th |
| State Assembly Districts | 5 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 88.36% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 4.1% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.54% |