Hamilton township
- County:
- Charles Mix County
- County Seat:
- No
- Area (mi²):
- 22.481
- State:
- South Dakota
Hamilton township is located in Charles Mix County, South Dakota. Hamilton township has a 2026 population of 54. Hamilton township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 54 in 2020.
The median age in Hamilton township is 65.2 years: 0 years for males, and 0 years for females. For every 100 females there are 93.8 males.