
Sullivan township
- County:
- Ramsey County
- County Seat:
- No
- Area (mi²):
- 35.531
- State:
- North Dakota
Sullivan township is located in Ramsey County, North Dakota. Sullivan township has a 2025 population of 36. Sullivan township is currently declining at a rate of 0% annually and its population has decreased by -2.7% since the most recent census, which recorded a population of 37 in 2020.
The average household income in Sullivan township is $146,591 with a poverty rate of 0%. The median age in Sullivan township is 32.9 years: 25.5 years for males, and 32.9 years for females.