Anna township
- County:
- Ward County
- County Seat:
- No
- Area (mi²):
- 35.117
- State:
- North Dakota
Anna township is located in Ward County, North Dakota. Anna township has a 2025 population of 32. Anna township is currently declining at a rate of -3.03% annually and its population has decreased by -11.11% since the most recent census, which recorded a population of 36 in 2020.
The median age in Anna township is 73.2 years: 0 years for males, and 0 years for females.