St. Michaels is a chapter of the Navajo Nation and a census-designated place located in the U.S. state of Arizona. It is within Apache County. The Navajo Nation Government Campus is nestled at the chapter of Window Rock. It has a total land area of 3.82 square miles at 35°39′45″N 109°5′42″W. The elevation is 6,740 feet above sea level. As of the 2010 census data, it had a total population of 1,443. Estimated per capita income in 2015 was $78,591. It is using Zip code 86511.