Marietta is a town located in Robeson County, North Carolina, United States.

According to the United States Census Bureau, the town has a total area of 1.1 square miles (2.8 km2), all land.

As of the census[3] of 2000, there were 164 people, 60 households, and 43 families residing in the town.

There were 67 housing units at an average density of 59.6 per square mile (23.0/km2).

Twenty-three percent of all households were made up of individuals, and 11.7% had someone living alone who was 65 years of age or older.