
Oswego
- County:
- Labette County
- County Seat:
- Yes
- Area (mi²):
- 2.405
- State:
- Kansas
Oswego is a city located in Labette County, Kansas. Oswego has a 2025 population of 1,616. It is also the county seat of .Oswego is currently declining at a rate of -0.62% annually and its population has decreased by -3.12% since the most recent census, which recorded a population of 1,668 in 2020.
The average household income in Oswego is $64,968 with a poverty rate of 20.22%. The median age in Oswego is 38.5 years: 38.6 years for males, and 38 years for females.