| Place Name | Martin |
| Place Type | City |
| ZIP Code(s) | 57551 |
| County | Bennett County |
| Area Code(s) | 605 |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 945 |
| Population Growth Rate (2010-19) | -12.42% |
| Majority Ethnicity | White 46.36% |
| US Congressional District(s) | South Dakota At-Large |
| State House Districts | 27 |
| State Senate Districts | 27 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 46.36% |
| African American | 0% |
| Hispanic | 35.23% |
| Asian | 2.72% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 15.69% |