
Aberdeen township
- County:
- Brown County
- County Seat:
- No
- Area (mi²):
- 37.974
- State:
- South Dakota
Aberdeen township is located in Brown County, South Dakota. Aberdeen township has a 2025 population of 858. Aberdeen township is currently declining at a rate of -1.27% annually and its population has decreased by -4.35% since the most recent census, which recorded a population of 897 in 2020.
The average household income in Aberdeen township is $126,206 with a poverty rate of 0%. The median age in Aberdeen township is 58.5 years: 58.8 years for males, and 58.4 years for females.