Stilwell is a city located in Adair County Oklahoma. It is also the county seat of Adair County. With a 2020 population of 4,040, it is the 88th largest city in Oklahoma and the 5384th largest city in the United States . Stilwell is currently declining at a rate of -0.25% annually but its population has increased by 2.30% since the most recent census, which recorded a population of 3,949 in 2010. Stilwell reached it's highest population of 4,070 in 2018. Spanning over 3 miles, Stilwell has a population density of 1,246 people per square mile.
The average household income in Stilwell is $35,912 with a poverty rate of 31.85%. The median rental costs in recent years comes to $476 per month, and the median house value is $78,200. The median age in Stilwell is 30.6 years, 30.1 years for males, and 31.2 years for females.