Navajo County () is a county in the northern part of the U.S. state of Arizona. As of the 2020 census, its population was 106,717. The county seat is Holbrook.
Navajo County comprises the Show Low, Arizona Micropolitan Statistical Area.
Navajo County contains parts of the Hopi Indian reservation, the Navajo Nation, and Fort Apache Indian Reservation.
History
Navajo County was split from Apache County on March 21, 1895. The first county sheriff was Commodore Perry Owens, a legendary gunman who had previously served as the sheriff of Apache County. It was the location for many of the events of the Pleasant Valley War.
Geography
According to the United States Census Bureau, the county has a total area of , of which is land and (0.09%) is water.
Navajo County offers not only the Monument Valley, but Keams Canyon, part of the Petrified Forest National Park, and one of the largest contiguous ponderosa pine forests in North America.
Nathan Korhman of The Atlantic described the county, in 2022, as "one of Arizona’s most rural regions", stating that a political canvasser would have to drive to get to a sequential house on a list to target, while in more urban areas such a canvasser would walk from place to place.
Adjacent counties
- Apache County – east
- Graham County – south
- Gila County – southwest
- Coconino County – west
- San Juan County, Utah – north
Indian reservations
Navajo County has of federally designated Indian reservation within its borders, the third most of any county in the United States (neighboring Apache County and Coconino County are first and second). In descending order of territory within the county, the reservations are the Navajo Nation, Hopi Indian Reservation, and Fort Apache Indian Reservation, all of which are partly located within Navajo County.
National protected areas
thumb|upright|Petroglyphs at Rock Art Canyon Ranch near Winslow
- Apache-Sitgreaves National Forest (part)
- Navajo National Monument
- Petrified Forest National Park (part)