Clayton, NM -- U.S. town in New Mexico Population (2000): 2524 Housing Units (2000): 1289 Land area (2000): 4.711265 sq. miles (12.202121 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.711265 sq. miles (12.202121 sq. km) FIPS code: 15720 Located within: New Mexico (NM), FIPS 35 Location: 36.449835 N, 103.180756 W ZIP Codes (1990): 88415 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Clayton, NM Clayton