Guymon is located in Texas County. About 12,965 people live here (as of 2020). Between 2010 and 2020, the population grew from 11,442 to 12,965. The region is at 952 meters above sea level. The area covers about 19.7 square kilometers. There are about 390 streets in Guymon. The region was founded in 1901. The postal codes are 73942. The dialing code is 580. Guymon is city in Oklahoma, United States. Among other things, Guymon has hotels, restaurants, clothing Stores, schools, banks, hairdressers, doctors and pharmacies. More information at
www.guymonok.org.