Martins Ferry is a somewhat small city located in the state of Ohio. With a population of 6,076 people and three associated neighborhoods, Martins Ferry is the 238th largest community in Ohio. Martins Ferry has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

Martins Ferry is a small city, and as such doesn't have a public transit system that people use to get to and from their jobs every day.

The percentage of adults in Martins Ferry with college degrees is slightly lower than the national average of 21.84% for all communities. 13.62% of adults in Martins Ferry have a bachelor's degree or advanced degree.

The per capita income in Martins Ferry in 2022 was $23,499, which is low income relative to Ohio and the nation. This equates to an annual income of $93,996 for a family of four. However, Martins Ferry contains both very wealthy and poor people as well.

Martins Ferry is a somewhat ethnically-diverse city. The people who call Martins Ferry home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Martins Ferry residents report their race to be White, followed by Black or African-American. Important ancestries of people in Martins Ferry include Irish, German, Italian, English, and Polish.

The most common language spoken in Martins Ferry is English. Other important languages spoken here include Polish and Chinese.