Apache County, Arizona

Location of Arizona: 

Location of Apache County in Arizona: 

Apache County is located in the northeast corner of the U.S. state of Arizona. As of the 2010 census, its population was 71,518. The county seat is St. Johns.

Part of the county is assigned to the Fort Apache Indian Reservation.

For more information on Apache County, click here.

Point of Interest

Apache County includes the Arizona section of the Four Corners Monument.

Indian Reservations

Apache County has the most land designated as Indian reservation of any county in the United States. (Coconino County and Navajo County are a close second and third.) The county has 19,857.34 km2(7,666.96 sq mi) of reservation territory or 68.34 percent of its total area. The reservations are, in descending order of area within the county, the Navajo Nation, the Fort Apache Indian Reservation, and the Zuni Indian Reservation, all of which are partly located within the county.


According to the U.S. Census Bureau, the county has a total area of 11,218 square miles (29,050 km2), of which 11,198 square miles (29,000 km2) is land and 21 square miles (54 km2) (0.2%) is water. The county is the third-largest county by area in Arizona and the sixth-largest in the United States (excluding boroughs and census areas in Alaska).

Apache County contains parts of the Navajo Indian Reservation, the Fort Apache Indian Reservation, and Petrified Forest National ParkCanyon de Chelly National Monument is entirely within the county.

Adjacent counties


Major highways

U.S. Route 191 crossing the Beautiful Valley in Apache County


The following public use airports are located in Apache County:

For information regarding property taxes in Apache County, click here.

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