Townships in South Dakota with population over 1,000.
9 townships
| City | 2026 Pop. ↓ | 2020 Pop. | Annual Change |
|---|---|---|---|
| Big Sioux | 5,403 | 4,719 | 14.49% |
| Split Rock | 3,036 | 3,202 | -5.18% |
| Springdale township (Lincoln County) | 2,215 | 2,175 | 1.84% |
| Delapre | 2,083 | 2,037 | 2.26% |
| Mapleton | 2,034 | 2,139 | -4.91% |
| Medary | 1,576 | 1,433 | 9.98% |
| Jefferson township (Union County) | 1,267 | 1,110 | 14.14% |
| Wall Lake | 1,198 | 1,257 | -4.69% |
| Lincoln township (Brown County) | 1,152 | 1,160 | -0.69% |