
Sedan
- County:
- Chautauqua County
- County Seat:
- Yes
- Area (mi²):
- 0.822
- State:
- Kansas
Sedan is a city located in Chautauqua County, Kansas. Sedan has a 2025 population of 979. It is also the county seat of Chautauqua County. Sedan is currently declining at a rate of -0.51% annually and its population has decreased by -2.49% since the most recent census, which recorded a population of 1,004 in 2020.
The average household income in Sedan is $55,748 with a poverty rate of 24.21%. The median age in Sedan is 39.2 years: 33.6 years for males, and 41.3 years for females.