Eustis is a town in Franklin County, Maine, United States.

[2] Eustis, which includes the village of Stratton, is a popular recreation area.

Benedict Arnold and his troops passed through the area on October 19, 1775, on their way up the North Branch of the Dead River to fight in the ill-fated Battle of Quebec.

The original settler was Caleb Stevens from New Hampshire, who brought his wife and nine children.

About 1831, the northern half of the township was purchased from the state of Maine by two men, one of whom was Charles L. Eustis of Lewiston.

On March 30, 1857, however, the township was set off and organized as Eustis Plantation, named after its early proprietor.

33.2% of all households were made up of individuals, and 13.1% had someone living alone who was 65 years of age or older.

32.1% of all households were made up of individuals, and 11.3% had someone living alone who was 65 years of age or older.