Castle is a city located in Oklahoma. With a 2020 population of 108, it is the 521st largest city in Oklahoma and the 18190th largest city in the United States. Castle is currently growing at a rate of 1.89% annually and its population has increased by 1.89% since the most recent census, which recorded a population of 106 in 2010. Spanning over 0 miles, Castle has a population density of 613 people per square mile.
The average household income in Castle is $38,025 with a poverty rate of 27.64%. The median rental costs in recent years comes to $575 per month, and the median house value is $50,900. The median age in Castle is 37.8 years, 34.8 years for males, and 38.1 years for females. For every 100 females there are 115.8 males.