Crystal is a town in Aroostook County, Maine, United States. The population was 269 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 40.43 square miles (104.71 km), of which 40.40 square miles (104.64 km) is land and 0.03 square miles (0.08 km) is water.
It is bordered by Sherman to the south, Island Falls to the east, Hersey to the north and Patten in Penobscot County to the west.
As of the 2010 census, there were 269 people, 115 households, and 84 families residing in the town. The population density was 6.7 inhabitants per square mile (2.6/km). There were 147 housing units at an average density of 3.6 per square mile (1.4/km). The racial makeup of the town was 98.9% White, 0.4% Native American, and 0.7% from two or more races. Hispanic or Latino of any race were 0.4% of the population.
There were 115 households of which 23.5% had children under the age of 18 living therein, 66.1% were married couples living together, 5.2% had a female householder with no husband present, 1.7% had a male householder with no wife present, and 27.0% were non-families. 22.6% of all households were made up of individuals and 7% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.75.
The median age in the town was 51.8 years. 17.1% of residents were under the age of 18; 5.2% were between the ages of 18 and 24; 19.7% were from 25 to 44; 34.9% were from 45 to 64; and 23% were 65 years of age or older. The gender makeup of the town was 49.8% male and 50.2% female.
As of the 2000 census, there were 285 people, 112 households, and 89 families residing in the town. The 2000 population density was 7.1 people per square mile (2.7/km²). There were 134 housing units at an average density of 3.3 per square mile (1.3/km²). The racial makeup of the town was 100.00% White.
There were 112 households of which 29.5% had children under the age of 18 living therein, 68.8% were married couples living together, 8.0% had a female householder with no husband present, and 20.5% were non-families. 15.2% of all households were made up of individuals and 7.1% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.85.
The median age in the town was 42 years in 2000. 22.8% of residents were under the age of 18, 7.7% from 18 to 24, 23.9% from 25 to 44, 28.4% from 45 to 64, and 17.2% who were 65 years of age or older. For every 100 females, there were 102.1 males. For every 100 females age 18 and over, there were 100.0 males.
The median income for a household in the town was $28,472, and the median income for a family was $28,750. Males had a median income of $30,417 versus $19,063 for females. The per capita income for the town was $14,338. About 6.0% of families and 8.6% of the population were below the poverty line, including 15.8% of those under the age of eighteen and 4.3% of those age 65 or older.