Hamlin township
- County:
- Hamlin County
- County Seat:
- No
- Area (mi²):
- 35.91
- State:
- South Dakota
Hamlin township is located in Hamlin County, South Dakota. Hamlin township has a 2026 population of 262. Hamlin township is currently growing at a rate of 1.16% annually and its population has increased by 7.82% since the most recent census, which recorded a population of 243 in 2020.
The median household income in Hamlin township is $95,795 with a poverty rate of 9.62%. The median age in Hamlin township is 31.6 years: 31.6 years for males, and 31.6 years for females. For every 100 females there are 100.7 males.