Wellston
- County:
- Jackson County
- County Seat:
- No
- Area (mi²):
- 6.967
- State:
- Ohio
Wellston is a city located in Jackson County, Ohio. Wellston has a 2026 population of 5,493. Wellston is currently growing at a rate of 0.37% annually and its population has increased by 1.38% since the most recent census, which recorded a population of 5,418 in 2020.
The median household income in Wellston is $56,193 with a poverty rate of 24.99%. The median age in Wellston is 40.1 years: 37.5 years for males, and 42.8 years for females. For every 100 females there are 98.7 males.