
Barnes
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 0.17
- State:
- Kansas
Barnes is a city located in Washington County, Kansas. Barnes has a 2025 population of 163. Barnes 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 163 in 2020.
The average household income in Barnes is $57,915 with a poverty rate of 23.56%. The median age in Barnes is 42.8 years: 37.5 years for males, and 56.5 years for females.