Northwood is a city in Grand Forks County, North Dakota in the United States. It is part of the "Grand Forks, ND-MN Metropolitan Statistical Area" or "Greater Grand Forks". The population was 959 at the 2000 census. Northwood was founded in 1884. A tornado, rated EF4 on the Enhanced Fujita Scale, struck Northwood on the evening of August 26, 2007 causing destruction to the entire town and killing one person. Later on some of the buildings were burned, collapsed, or torn down because of severe damage to the buildings from the tornado.