Logan
- County:
- Jerauld County
- County Seat:
- No
- Area (mi²):
- 34.808
- State:
- South Dakota
Logan is located in Jerauld County, South Dakota. Logan has a 2025 population of 7 . Logan is currently declining at a rate of 0% annually and its population has increased by 16.67% since the most recent census, which recorded a population of 6 in 2020.
The median age in Logan is 36.5 years: 0 years for males, and 29.4 years for females. For every 100 females there are 52.4 males.