Northwood 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 945 at the 2010 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.
Northwood is located at 47°44′5″N 97°34′8″W (47.734727, -97.569027).
According to the United States Census Bureau, the city has a total area of 1.27 square miles (3.29 km2), all land.
Northwood has the highest percentage of Norwegian American ancestry in the United States.
As of the census of 2010, there were 945 people, 397 households, and 243 families living in the city. The population density was 744.1 inhabitants per square mile (287.3/km2). There were 443 housing units at an average density of 348.8 per square mile (134.7/km2). The racial makeup of the city was 98.0% White, 0.1% African American, 0.1% Native American, 0.2% Asian, 0.1% from other races, and 1.5% from two or more races. Hispanic or Latino of any race were 0.4% of the population.
There were 397 households, of which 27.5% had children under the age of 18 living with them, 49.4% were married couples living together, 6.3% had a female householder with no husband present, 5.5% had a male householder with no wife present, and 38.8% were non-families. 36.8% of all households were made up of individuals, and 20.7% had someone living alone who was 65 years of age or older.