
Jamesville township
- County:
- Yankton County
- County Seat:
- No
- Area (mi²):
- 36.161
- State:
- South Dakota
Jamesville township is located in Yankton County, South Dakota. Jamesville township has a 2025 population of 217. Jamesville 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 217 in 2020.
The average household income in Jamesville township is $156,405 with a poverty rate of 0%. The median age in Jamesville township is 25.1 years: 25.1 years for males, and 26.1 years for females.