Osawatomie is a city located in Miami County Kansas. With a 2020 population of 4,308, it is the 70th largest city in Kansas and the 5199th largest city in the United States . Osawatomie is currently growing at a rate of 0.28% annually but its population has decreased by -3.13% since the most recent census, which recorded a population of 4,447 in 2010. Osawatomie reached it's highest population of 4,645 in 2000. Spanning over 5 miles, Osawatomie has a population density of 819 people per square mile.
The average household income in Osawatomie is $59,221 with a poverty rate of 20.28%. The median rental costs in recent years comes to $778 per month, and the median house value is $87,100. The median age in Osawatomie is 34.9 years, 31.7 years for males, and 38.6 years for females.