Chester is a town in Penobscot County, Maine, United States.

According to the United States Census Bureau, the town has a total area of 45.83 square miles (118.70 km2), all land.

There were 266 housing units at an average density of 5.8 per square mile (2.2/km2).

The racial makeup of the town was 98.7% White, 0.4% Native American, 0.2% Asian, and 0.7% from two or more races.

17.0% of all households were made up of individuals, and 4.1% had someone living alone who was 65 years of age or older.

22.4% of all households were made up of individuals, and 10.4% had someone living alone who was 65 years of age or older.