Square Lake is an unorganized territory in Aroostook County, Maine, United States. The population was 615 at the 2000 census.
Geography
According to the United States Census Bureau, the unorganized territory has a total area of 414.9 square miles (1,074.7 km²), of which, 383.2 square miles (992.4 km²) of it is land and 31.8 square miles (82.3 km²) of it (7.66%) is water.
Demographics
As of the census2 of 2000, there were 615 people, 277 households, and 193 families residing in the unorganized territory. The population density was 1.6 people per square mile (0.6/km²). There were 1,086 housing units at an average density of 2.8/sq mi (1.1/km²). The racial makeup of the unorganized territory was 99.51% White, and 0.49% from two or more races. There were 277 households out of which 19.5% had children under the age of 18 living with them, 62.5% were married couples living together, 4.3% had a female householder with no husband present, and 30.0% were non-families. 24.5% of all households were made up of individuals and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.22 and the average family size was 2.61. In the unorganized territory the population was spread out with 17.4% under the age of 18, 4.2% from 18 to 24, 17.4% from 25 to 44, 40.0% from 45 to 64, and 21.0% who were 65 years of age or older. The median age was 50 years. For every 100 females there were 106.4 males. For every 100 females age 18 and over, there were 104.0 males. The median income for a household in the unorganized territory was $27,692, and the median income for a family was $31,250. Males had a median income of $33,333 versus $22,500 for females. The per capita income for the unorganized territory was $17,595. About 10.3% of families and 16.2% of the population were below the poverty line, including 27.9% of those under age 18 and 13.7% of those age 65 or over.
