Cooper is a town in Washington County, Maine, United States.

There were 167 housing units at an average density of 5.4 per square mile (2.1/km2).

19.7% of all households were made up of individuals, and 6% had someone living alone who was 65 years of age or older.

The racial makeup of the town was 96.55% White, 1.38% African American, 0.69% Asian, and 1.38% from two or more races.

19.6% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older.

There were 5.4% of families and 8.8% of the population living below the poverty line, including no under eighteens and 9.5% of those over 64.