Darlington township
- County:
- Charles Mix County
- County Seat:
- No
- Area (mi²):
- 38.623
- State:
- South Dakota
Darlington township is located in Charles Mix County, South Dakota. Darlington township has a 2026 population of 104. Darlington township is currently declining at a rate of 0% annually and its population has increased by 0.97% since the most recent census, which recorded a population of 103 in 2020.
The median age in Darlington township is 62.8 years: 0 years for males, and 0 years for females. For every 100 females there are 145.7 males.