Hillsdale township
- County:
- Wells County
- County Seat:
- No
- Area (mi²):
- 35.667
- State:
- North Dakota
Hillsdale township is located in Wells County, North Dakota. Hillsdale township has a 2026 population of 87. Hillsdale township is currently declining at a rate of -3.33% annually and its population has decreased by -5.43% since the most recent census, which recorded a population of 92 in 2020.
The median age in Hillsdale township is 63.3 years: 67.1 years for males, and 0 years for females. For every 100 females there are 128.6 males.