
Portland township
- County:
- Deuel County
- County Seat:
- No
- Area (mi²):
- 35.272
- State:
- South Dakota
Portland township is located in Deuel County, South Dakota. Portland township has a 2025 population of 69. Portland township is currently growing at a rate of 2.99% annually and its population has increased by 11.29% since the most recent census, which recorded a population of 62 in 2020.
The average household income in Portland township is $80,472 with a poverty rate of 0%. The median age in Portland township is 69.1 years: 69.3 years for males, and 65.5 years for females.