Salem
- County:
- Columbiana County
- County Seat:
- No
- Area (mi²):
- 24.795
- State:
- Ohio
Salem is located in Columbiana County, Ohio. Salem has a 2025 population of 460 . Salem is currently declining at a rate of -1.08% annually and its population has decreased by -1.29% since the most recent census, which recorded a population of 466 in 2020.
The median age in Salem is 59.3 years: 62.6 years for males, and 56 years for females. For every 100 females there are 81.3 males.