East Hanson township
- County:
- Brown County
- County Seat:
- No
- Area (mi²):
- 35.897
- State:
- South Dakota
East Hanson township is located in Brown County, South Dakota. East Hanson township has a 2026 population of 111. East Hanson township is currently declining at a rate of -0.89% annually and its population has decreased by -2.63% since the most recent census, which recorded a population of 114 in 2020.
The median age in East Hanson township is 43.8 years: 0 years for males, and 0 years for females. For every 100 females there are 147.4 males.