Mapleton is a town in Aroostook County, Maine, United States. The population was 1,948 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 34.34 square miles (88.94 km2), of which 33.97 square miles (87.98 km2) is land and 0.37 square miles (0.96 km2) is water.
At the 2010 census there were 1,948 people, 816 households, and 578 families living in the town. The population density was 57.3 inhabitants per square mile (22.1/km2). There were 864 housing units at an average density of 25.4 per square mile (9.8/km2). The racial makeup of the town was 98.0% White, 0.2% African American, 0.9% Native American, 0.3% Asian, and 0.6% from two or more races. Hispanic or Latino of any race were 0.3%.
Of the 816 households 28.4% had children under the age of 18 living with them, 60.5% were married couples living together, 7.0% had a female householder with no husband present, 3.3% had a male householder with no wife present, and 29.2% were non-families. 22.9% of households were one person and 8.8% were one person aged 65 or older. The average household size was 2.38 and the average family size was 2.79.
The median age in the town was 43.5 years.