Warren -- U.S. County in North Carolina Population (2000): 19972 Housing Units (2000): 10548 Land area (2000): 428.702219 sq. miles (1110.333603 sq. km) Water area (2000): 15.094995 sq. miles (39.095856 sq. km) Total area (2000): 443.797214 sq. miles (1149.429459 sq. km) Located within: North Carolina (NC), FIPS 37 Location: 36.441143 N, 78.111492 W Headwords: Warren Warren, NC Warren County Warren County, NC