Marble City is a city located in Oklahoma. With a 2020 population of 244, it is the 428th largest city in Oklahoma and the 16045th largest city in the United States. Marble City is currently declining at a rate of -0.81% annually and its population has decreased by -7.22% since the most recent census, which recorded a population of 263 in 2010. Marble City reached it's highest population of 263 in 2010. Spanning over 0 miles, Marble City has a population density of 602 people per square mile.
The average household income in Marble City is $41,699 with a poverty rate of 34.20%. The median rental costs in recent years comes to $595 per month, and the median house value is $60,000. The median age in Marble City is 38.1 years, 35.8 years for males, and 40.3 years for females. For every 100 females there are 83.3 males.