Burleigh County, North Dakota were below the poverty line, including 11.6% of those under age 18 and 11.0% of those age 65 or over. Burleigh County, North Dakota Burleigh County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 81,308, making it the second-most populous county in North Dakota. Its county seat is Bismarck, the state capital. The county was created on January 4, 1873 and later organized on July 16. Burleigh County is included in the Bismarck, ND Metropolitan Statistical Area, commonly called "Bismarck–Mandan". According to the U.S. Census Bureau, the county has
North Dakota State Hospital North Dakota State Hospital The North Dakota State Hospital, on the southern rim of the James River valley overlooking Jamestown, North Dakota, has since 1885 been North Dakota's primary institution for treating the mentally ill and confining the criminally insane. The North Dakota territorial legislature authorized a "hospital for the insane" in 1883. On May 1, 1885, the State Hospital opened, four years before North Dakota was granted statehood. Along with the University of North Dakota, it is the only institution in North Dakota to predate statehood. The first superintendent was Dr. O. Wellington Archibald, who had previous worked for