Winfield
- County:
- Cowley County
- County Seat:
- Yes
- Area (mi²):
- 35.885
- State:
- Kansas
Winfield is located in Cowley County, Kansas. Winfield has a 2025 population of 23. It is also the county seat of Cowley County. Winfield is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 23 in 2020.
The median age in Winfield is 73.2 years: 73.3 years for males, and 0 years for females.