Skull Valley is a small, unincorporated community, and rural, ranch community in Yavapai County, Arizona, United States. It is located twelve miles west of Prescott. There is a general store, a gas station, a cafe, an elementary school, an autoshop, a fire station, a church, and a post office. As of the 2003 census, the population in the Skull Valley Elementary School District was 525 people.