Plain township
- County:
- Renville County
- County Seat:
- No
- Area (mi²):
- 35.781
- State:
- North Dakota
Plain township is located in Renville County, North Dakota. Plain township has a 2026 population of 27. Plain township is currently declining at a rate of 0% annually and its population has increased by 17.39% since the most recent census, which recorded a population of 23 in 2020.
The median household income in Plain township is $74,167 with a poverty rate of 0%. The median age in Plain township is 31.2 years: 26.5 years for males, and 31.2 years for females. For every 100 females there are 48.6 males.