Quapaw is a city located in Oklahoma. With a 2020 population of 863, it is the 240th largest city in Oklahoma and the 10940th largest city in the United States. Quapaw is currently declining at a rate of -1.15% annually and its population has decreased by -4.75% since the most recent census, which recorded a population of 906 in 2010. Quapaw reached it's highest population of 909 in 2012. Spanning over 1 miles, Quapaw has a population density of 866 people per square mile.
The average household income in Quapaw is $48,717 with a poverty rate of 25.43%. The median rental costs in recent years comes to $617 per month, and the median house value is $69,200. The median age in Quapaw is 36.1 years, 34.4 years for males, and 36.9 years for females. For every 100 females there are 87.2 males.