
Vivian township
- County:
- Lyman County
- County Seat:
- No
- Area (mi²):
- 36.091
- State:
- South Dakota
Vivian township is located in Lyman County, South Dakota. Vivian township has a 2025 population of 129. Vivian township is currently growing at a rate of 1.57% annually and its population has increased by 4.88% since the most recent census, which recorded a population of 123 in 2020.
The average household income in Vivian township is $92,474 with a poverty rate of 8.47%. The median age in Vivian township is 53.5 years: 0 years for males, and 51.8 years for females.