Niagara is a city in Grand Forks County, North Dakota, United States. It is part of the "Grand Forks, ND-MN Metropolitan Statistical Area" or "Greater Grand Forks". The population was 46 at the 2020 census. Niagara was founded in 1883.
Geography
According to the United States Census Bureau, the city has a total area of , of which is land and is water.