Cyril is a city located in Oklahoma. With a 2020 population of 1,004, it is the 221st largest city in Oklahoma and the 10283rd largest city in the United States. Cyril is currently declining at a rate of -1.08% annually and its population has decreased by -5.19% since the most recent census, which recorded a population of 1,059 in 2010. Cyril reached it's highest population of 1,062 in 2010. Spanning over 1 miles, Cyril has a population density of 1,686 people per square mile.
The average household income in Cyril is $52,130 with a poverty rate of 23.76%. The median rental costs in recent years comes to $425 per month, and the median house value is $86,600. The median age in Cyril is 33.8 years, 34.9 years for males, and 31.8 years for females. For every 100 females there are 76.0 males.