
Iona township
- County:
- Lyman County
- County Seat:
- No
- Area (mi²):
- 127.886
- State:
- South Dakota
Iona township is located in Lyman County, South Dakota. Iona township has a 2025 population of 64. Iona township is currently declining at a rate of 0% annually and its population has decreased by -1.54% since the most recent census, which recorded a population of 65 in 2020.
The average household income in Iona township is -$1000.00 Mn with a poverty rate of 0%. The median age in Iona township is 0 years: 0 years for males, and 0 years for females.