Saint Johns is located in Apache County. About 3,417 people live here (as of 2020). Between 2010 and 2020, the population declined from 3,480 to 3,417. The region is at 1733 meters above sea level. The area covers about 67.6 square kilometers. There are about 233 streets in Saint Johns. The region was founded in 1879. The postal codes are 85936. Saint Johns is city in and county seat of Apache County, Arizona, United States. Among other things, Saint Johns has hotels, restaurants and schools. More information at
www.sjaz.us.