New Martinsville is a somewhat small city located in the state of West Virginia. With a population of 5,038 people and two associated neighborhoods, New Martinsville is the 29th largest community in West Virginia.

New Martinsville’s overall crime rate ranks among the lowest in the nation, making it a very safe place to live.

The citizens of New Martinsville are slightly better educated than the national average of 21.84% for all cities and towns, with 23.80% of adults in New Martinsville having a bachelor's degree or advanced degree.

The per capita income in New Martinsville in 2022 was $31,900, which is upper middle income relative to West Virginia, and lower middle income relative to the rest of the US. This equates to an annual income of $127,600 for a family of four. However, New Martinsville contains both very wealthy and poor people as well.

The people who call New Martinsville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of New Martinsville residents report their race to be White, followed by Black or African-American. Important ancestries of people in New Martinsville include German, English, Irish, Polish, and Scottish.

The most common language spoken in New Martinsville is English. Other important languages spoken here include Italian and Polish.