Johnstown township
- County:
- Grand Forks County
- County Seat:
- No
- Area (mi²):
- 36.199
- State:
- North Dakota
Johnstown township is located in Grand Forks County, North Dakota. Johnstown township has a 2026 population of 89. Johnstown township is currently growing at a rate of 1.14% annually but its population has decreased by -1.11% since the most recent census, which recorded a population of 90 in 2020.
The median household income in Johnstown township is $126,250 with a poverty rate of 0%. The median age in Johnstown township is 19.1 years: 36.5 years for males, and 16.6 years for females. For every 100 females there are 47.8 males.