
Winchester
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 0.329
- State:
- Kansas
Winchester is a city located in Jefferson County, Kansas. Winchester has a 2025 population of 441. Winchester is currently declining at a rate of -0.68% annually and its population has decreased by -3.08% since the most recent census, which recorded a population of 455 in 2020.
The average household income in Winchester is $58,878 with a poverty rate of 8.77%. The median age in Winchester is 44.9 years: 48.3 years for males, and 39.7 years for females.