| Place Name | Flandreau |
| Place Type | City |
| ZIP Code(s) | 57028 |
| County | Moody County |
| Area Code(s) | 605 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 2,302 |
| Population Growth Rate (2010-19) | 1.32% |
| Majority Ethnicity | White 62.47% |
| US Congressional District(s) | South Dakota At-Large |
| State House Districts | 8 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 62.47% |
| African American | 2% |
| Hispanic | 23.78% |
| Asian | 5.83% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.92% |