Guymon is a city located in Oklahoma. With a 2020 population of 10,956, it is the 41st largest city in Oklahoma and the 2904th largest city in the United States. Guymon is currently declining at a rate of -1.45% annually and its population has decreased by -4.25% since the most recent census, which recorded a population of 11,442 in 2010. Guymon reached it's highest population of 12,204 in 2013. Spanning over 8 miles, Guymon has a population density of 1,409 people per square mile.
The average household income in Guymon is $59,386 with a poverty rate of 19.30%. The median rental costs in recent years comes to $775 per month, and the median house value is $111,400. The median age in Guymon is 30.9 years, 31.1 years for males, and 30.9 years for females. For every 100 females there are 122.5 males.