Harmony township
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 34.425
- State:
- North Dakota
Harmony township is located in Cass County, North Dakota. Harmony township has a 2026 population of 78. Harmony township is currently declining at a rate of 0% annually and its population has decreased by -1.27% since the most recent census, which recorded a population of 79 in 2020.
The median household income in Harmony township is $188,125 with a poverty rate of 0%. The median age in Harmony township is 34 years: 33.5 years for males, and 34.6 years for females. For every 100 females there are 103.3 males.