
Franklyn township
- County:
- Brown County
- County Seat:
- No
- Area (mi²):
- 35.808
- State:
- South Dakota
Franklyn township is located in Brown County, South Dakota. Franklyn township has a 2025 population of 28. Franklyn township is currently declining at a rate of -3.45% annually and its population has decreased by -9.68% since the most recent census, which recorded a population of 31 in 2020.
The average household income in Franklyn township is $178,941 with a poverty rate of 0%. The median age in Franklyn township is 40 years: 37 years for males, and 46.2 years for females.