| Place Name | Martell |
| Place Type | Census Designated Place |
| ZIP Code(s) | 95642 95685 |
| County | Amador County |
| Area Code(s) | 209 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 144 |
| Population Growth Rate (2010-19) | -26.60% |
| Majority Ethnicity | Asian 53.42% |
| US Congressional District(s) | California 4th |
| State Assembly Districts | 5 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 37.61% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 53.42% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.97% |