Logan
- County:
- Hand County
- County Seat:
- No
- Area (mi²):
- 35.984
- State:
- South Dakota
Logan is located in Hand County, South Dakota. Logan has a 2025 population of 29 . Logan is currently declining at a rate of -3.33% annually and its population has decreased by -3.33% since the most recent census, which recorded a population of 30 in 2020.