Grand Forks -- U.S. County in North Dakota Population (2000): 66109 Housing Units (2000): 27373 Land area (2000): 1437.806431 sq. miles (3723.901402 sq. km) Water area (2000): 2.023602 sq. miles (5.241106 sq. km) Total area (2000): 1439.830033 sq. miles (3729.142508 sq. km) Located within: North Dakota (ND), FIPS 38 Location: 47.909153 N, 97.304665 W Headwords: Grand Forks Grand Forks, ND Grand Forks County Grand Forks County, ND