Dyer Brook is a town in Aroostook County, Maine, United States.

20.7% of all households were made up of individuals, and 12% had someone living alone who was 65 years of age or older.

The racial makeup of the town was 97.49% White, 2.01% Native American and 0.50% Asian.

10.1% of all households were made up of individuals, and 2.5% had someone living alone who was 65 years of age or older.

About 2.9% of families and 5.5% of the population were below the poverty line, including 15.4% of those under the age of eighteen and none of those 65 or over.