Arthur township
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 34.523
- State:
- North Dakota
Arthur township is located in Cass County, North Dakota. Arthur township has a 2026 population of 71. Arthur township is currently declining at a rate of 0% annually and its population has increased by 9.23% since the most recent census, which recorded a population of 65 in 2020.
The median household income in Arthur township is $142,656 with a poverty rate of 0%. The median age in Arthur township is 71.5 years: 71.4 years for males, and 77.2 years for females. For every 100 females there are 120.0 males.