Coffeyville is a city located in Montgomery County Kansas. With a 2020 population of 9,111, it is the 39th largest city in Kansas and the 3298th largest city in the United States . Coffeyville is currently declining at a rate of -0.89% annually and its population has decreased by -11.50% since the most recent census, which recorded a population of 10,295 in 2010. Coffeyville reached it's highest population of 17,382 in 1960. Spanning over 9 miles, Coffeyville has a population density of 963 people per square mile.
The average household income in Coffeyville is $53,248 with a poverty rate of 29.26%. The median rental costs in recent years comes to $614 per month, and the median house value is $55,800. The median age in Coffeyville is 36.5 years, 36.2 years for males, and 36.9 years for females.