Barnes County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 11,066. Its county seat is Valley City.The Dakota Territory's legislature authorized a Burbank County (named for governor John A. Burbank) in 1872. But in 1874 they renamed it Barnes County in honor of Judge Alanson H. Barnes (1818–1890) who was an associate justice of the Territorial Court. It was finally organized in a meeting at Valley City on January 6, 1879.GeographyAccording to the U.S. Census Bureau, the county has a total area of, of which is land and (1.4%) is water.Major highways20px Interstate 9420px U.S. Highway 5220pxNorth Dakota Highway 120pxNorth Dakota Highway 920pxNorth Dakota Highway 2620pxNorth Dakota Highway 3220pxNorth Dakota Highway 46