McKinley County /

McKinley County is a county located in the U.S. state of New Mexico. As of 2010, the population was 71,492. Its county seat is Gallup. According to the U.S. Census Bureau, the county has a total area of 5,455 square miles (14,129 km²), of which 5,449 square miles (14,112 km²) is land and 6 square miles (17 km²) (0.12%) is water. As of the census of 2000, there were 74,798 people, 21,476 households, and 16,686 families residing in the county. The population density was 14 people per square mile (5/km²). There were 26,718 housing units at an average density of 5 per square mile (2/km²). The racial makeup of the county was 74.72% Native American, 16.39% White, 0.46% Asian, 0.40% Black or African American, 0.04% Pacific Islander, 5.47% from other races, and 2.52% from two or more races. 12.40% of the population were Hispanic or Latino of any race. There were 21,476 households out of which 46.00% had children under the age of 18 living with them, 47.70% were married couples living together, 22.70% had a female householder with no husband present, and 22.30% were non-families. 19.50% of all households were made up of individuals and 5.30% had someone living alone who was 65 years of age