Logan township
- County:
- Sanborn County
- County Seat:
- No
- Area (mi²):
- 35.984
- State:
- South Dakota
Logan township is located in Sanborn County, South Dakota. Logan township has a 2026 population of 143. Logan township is currently declining at a rate of -0.69% annually but its population has increased by 2.88% since the most recent census, which recorded a population of 139 in 2020.
The median household income in Logan township is $125,250 with a poverty rate of 7.73%. The median age in Logan township is 36.8 years: 30.9 years for males, and 42.3 years for females. For every 100 females there are 189.6 males.