
Blaine township
- County:
- Jerauld County
- County Seat:
- No
- Area (mi²):
- 35.538
- State:
- South Dakota
Blaine township is located in Jerauld County, South Dakota. Blaine township has a 2025 population of 75. Blaine township is currently growing at a rate of 1.35% annually and its population has increased by 5.63% since the most recent census, which recorded a population of 71 in 2020.
The average household income in Blaine township is $111,692 with a poverty rate of 0%. The median age in Blaine township is 70 years: 50.3 years for males, and 74.2 years for females.