
Osawatomie
- County:
- Miami County
- County Seat:
- No
- Area (mi²):
- 5.252
- State:
- Kansas
Osawatomie is a city located in Miami County, Kansas. Osawatomie has a 2025 population of 4,235. Osawatomie is currently declining at a rate of -0.07% annually and its population has decreased by -0.35% since the most recent census, which recorded a population of 4,250 in 2020.
The average household income in Osawatomie is $71,707 with a poverty rate of 18.07%. The median age in Osawatomie is 40 years: 43.4 years for males, and 36.7 years for females.