Grant -- U.S. County in New Mexico Population (2000): 31002 Housing Units (2000): 14066 Land area (2000): 3965.881511 sq. miles (10271.585524 sq. km) Water area (2000): 1.622123 sq. miles (4.201280 sq. km) Total area (2000): 3967.503634 sq. miles (10275.786804 sq. km) Located within: New Mexico (NM), FIPS 35 Location: 32.708567 N, 108.246748 W Headwords: Grant Grant, NM Grant County Grant County, NM