Pierce -- U.S. County in North Dakota Population (2000): 4675 Housing Units (2000): 2269 Land area (2000): 1017.818245 sq. miles (2636.137042 sq. km) Water area (2000): 64.341646 sq. miles (166.644091 sq. km) Total area (2000): 1082.159891 sq. miles (2802.781133 sq. km) Located within: North Dakota (ND), FIPS 38 Location: 48.246230 N, 99.988330 W Headwords: Pierce Pierce, ND Pierce County Pierce County, ND