Martins Ferry is a somewhat small city located in the state of Ohio. With a population of 6,050 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.

A relatively large number of people in Martins Ferry telecommute to their jobs. Overall, about 7.34% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

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. 13.43% of adults in Martins Ferry have a bachelor's degree or advanced degree.

The per capita income in Martins Ferry in 2022 was $25,165, which is low income relative to Ohio and the nation. This equates to an annual income of $100,660 for a family of four. However, Martins Ferry contains both very wealthy and poor people as well. Martins Ferry also has one of the higher rates of people living in poverty in the nation, with 34.28% of its population below the federal poverty line.

Martins Ferry is a very 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 Spanish.