Lynn township
- County:
- Lincoln County
- County Seat:
- No
- Area (mi²):
- 35.377
- State:
- South Dakota
Lynn township is located in Lincoln County, South Dakota. Lynn township has a 2026 population of 309. Lynn township is currently growing at a rate of 0.98% annually and its population has increased by 1.31% since the most recent census, which recorded a population of 305 in 2020.
The median household income in Lynn township is $111,042 with a poverty rate of 8.31%. The median age in Lynn township is 37.3 years: 24.8 years for males, and 52.8 years for females. For every 100 females there are 160.0 males.