Ramsey County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 11,605. Its county seat is Devils Lake.

Devils Lake is a city in and the county seat of Ramsey County, North Dakota, United States. The population was 7,192 at the 2020 census. It is named after the nearby body of water called Devils Lake. The first house built by an Euro-American settler was in 1882. It was surveyed in 1883 and named Creelsburg and later Creel City, after the surveyor, Heber M. Creel. In 1884 it was renamed Devils Lake.