Linneus is a town in Aroostook County, Maine, United States.

[1] Half the township of Linneus was sold by the State of Massachusetts in 1833 in order to raise money to endow a Botany professorship at Harvard College.

There were 588 housing units at an average density of 13.3 per square mile (5.1/km2).

19.9% of all households were made up of individuals, and 7.1% had someone living alone who was 65 years of age or older.

There were 473 housing units at an average density of 10.6 per square mile (4.1/km2).

16.9% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older.