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
South Dakota Highway 15 South Dakota Highway 15 South Dakota Highway 15 (SD 15) is a state highway in the northeastern part of the U.S. state of South Dakota. It connects Clear Lake, Milbank, and Wilmot. SD 15 originally traveled from the Nebraska state line to the North Dakota state line. It followed what would eventually become U.S. Route 77 (US 77), which had been designated before 1931. Part of its path went north from Wilmot to Sisseton, then north to Hammer, along US 81's former path, west to Claire City, north to the North Dakota state line north of Claire City, where it