#21. The Most Public Transit-Friendly ZIP Codes in McKinley County, NM ZIP Code 87320, NM Learn more Population: 519 Median Age: 44 College-Educated: 1% Family-Households: 70% Median Household Income: $25,250 Average Commute (mi.): 39 Lived Here Last Year: 99% Median Home Value: $34,200 Renter-Occupied: 8%