Tuba City is an unincorporated town and census-designated place in Coconino County, Arizona, on the Navajo Nation, United States. It is the second-largest community in Coconino County. The population of the census-designated place was 8,611 at the 2010 census.
It is the most populous community within the Navajo Nation, and the site of the headquarters of the Western Navajo Agency. The Hopi village of Moenkopi lies directly to its southeast. A Hopi minority also live in Tuba City; the majority are Navajo.
