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Foster County is a county located within the state of North Dakota. Based on the 2010 census, the population was 3,343. Its county seat is Carrington. The county was founded in 1873 and later organized in 1883. It was named for George I. Foster, a pioneer and member of the Territorial legislature.
Named for either James S. Foster of Mitchell, SD (1828-1890) or his brother George I Foster of Fargo, ND (1837-1912).
County QuickFacts: CensusBureau Quick Facts
Created by the 1872-73 territorial legislature and named for either James S. Foster of Mitchell, SD (1828-1890) or his brother George I Foster of Fargo, ND (1837-1912). Both were prominent in territorial affairs at the time. Government organized: October 11, 1883. County Seat: Carrington, 1883-present.
As reported by the Census Bureau, the county has a total area of 647 square miles (1,680 km2), of which 635 square miles (1,640 km2) is land and 11 square miles (28 km2) (1.8%) is water. It is the second-smallest county in North Dakota by area.
Bordering counties are as follows: