New Rockford, North Dakota New Rockford, North Dakota New Rockford is a city in Eddy County, North Dakota, United States. It is the county seat of Eddy County. The population was 1,391 at the 2010 census. New Rockford was founded in 1883. New Rockford was founded in 1883 at the time of the arrival of the Great Northern Railway into the area. In 1915, residents mounted a challenge to have the state capital relocated from Bismarck, North Dakota to New Rockford. This was not passed and defeated, leaving Bismarck the state capital of North Dakota. New Rockford is located at (47.680579, -99.136177). According to
U.S. Route 81 in North Dakota of Grafton before joining North Dakota Highway 5 (ND 5) near Cavalier. It rejoins I-29 and continues to the US–Canada border at Pembina. The original route of US 81 survives as ND 127 and 'County Road 81' in Richland, Cass, Traill, and Grand Forks counties. Exit numbers are I-29 exit numbers. U.S. Route 81 in North Dakota U.S. Route 81 (US 81) is a part of the U.S. Highway System that travels from Fort Worth, Texas, to the Pembina–Emerson Border Crossing near Pembina. In the state of North Dakota, US 81 extends from the South Dakota border north to the