Mariaville is a town in Hancock County, Maine, United States.

[1] As of the 2010 census,[6] there were 513 people, 208 households, and 142 families living in the town.

There were 416 housing units at an average density of 10.8 per square mile (4.2/km2).

21.6% of all households were made up of individuals, and 3.3% had someone living alone who was 65 years of age or older.

There were 318 housing units at an average density of 8.2 per square mile (3.2/km2).

22.1% of all households were made up of individuals, and 2.0% had someone living alone who was 65 years of age or older.