Marsh township
- County:
- Barnes County
- County Seat:
- No
- Area (mi²):
- 35.909
- State:
- North Dakota
Marsh township is located in Barnes County, North Dakota. Marsh township has a 2026 population of 268. Marsh township is currently declining at a rate of -0.74% annually and its population has decreased by -1.83% since the most recent census, which recorded a population of 273 in 2020.
The median household income in Marsh township is $116,750 with a poverty rate of 0%. The median age in Marsh township is 55 years: 55.6 years for males, and 51.4 years for females. For every 100 females there are 92.2 males.