Niagara
- County:
- Grand Forks County
- County Seat:
- No
- Area (mi²):
- 0.939
- State:
- North Dakota
Niagara is a city located in Grand Forks County, North Dakota. Niagara has a 2026 population of 42. Niagara is currently declining at a rate of 0% annually and its population has decreased by -2.33% since the most recent census, which recorded a population of 43 in 2020.
The median household income in Niagara is $88,750 with a poverty rate of 0%. The median age in Niagara is 34.3 years: 59.3 years for males, and 27.8 years for females. For every 100 females there are 166.7 males.