Richland -- U.S. County in North Dakota Population (2000): 17998 Housing Units (2000): 7575 Land area (2000): 1436.712297 sq. miles (3721.067608 sq. km) Water area (2000): 9.022525 sq. miles (23.368231 sq. km) Total area (2000): 1445.734822 sq. miles (3744.435839 sq. km) Located within: North Dakota (ND), FIPS 38 Location: 46.247076 N, 96.896301 W Headwords: Richland Richland, ND Richland County Richland County, ND