McHenry township
- County:
- Foster County
- County Seat:
- No
- Area (mi²):
- 33.632
- State:
- North Dakota
McHenry township is located in Foster County, North Dakota. McHenry township has a 2026 population of 33. McHenry township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 33 in 2020.
The median household income in McHenry township is $97,188 with a poverty rate of 0%. The median age in McHenry township is 58.3 years: 58.3 years for males, and 57.5 years for females. For every 100 females there are 85.0 males.