Harding -- U.S. County in New Mexico Population (2000): 810 Housing Units (2000): 545 Land area (2000): 2125.342594 sq. miles (5504.611815 sq. km) Water area (2000): 0.609276 sq. miles (1.578018 sq. km) Total area (2000): 2125.951870 sq. miles (5506.189833 sq. km) Located within: New Mexico (NM), FIPS 35 Location: 35.897974 N, 103.878339 W Headwords: Harding Harding, NM Harding County Harding County, NM