
Wellsville
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 1.719
- State:
- Kansas
Wellsville is a city located in Franklin County, Kansas. Wellsville has a 2025 population of 1,918. Wellsville is currently declining at a rate of -0.31% annually and its population has decreased by -1.49% since the most recent census, which recorded a population of 1,947 in 2020.
The average household income in Wellsville is $83,477 with a poverty rate of 10.9%. The median age in Wellsville is 37.8 years: 37.2 years for males, and 39.9 years for females.