Martins Ferry
- Population
- 6,426 (2020)
- Type
- City
- Area
- 2.33 sq mi (6.03 km²), 0 sq mi water
- Median age
- 43
- Households
- 3,860
- Persons per household
- 2.3
- Median household income
- $41,690
- Average house value
- $79,300
- Businesses
- 134
- Employees
- 1,966
- Government
- CITY OF MARTINS FERRY
- Government office
- 35 S 5TH ST, MARTINS FERRY, OH 43935