Limestone is a town in Aroostook County, Maine, United States. The population was 1,526 at the 2020 census. The town is best known for being the home of the Loring Commerce Centre (formerly Loring Air Force Base; also lying on its former territory is the Aroostook National Wildlife Refuge) and Maine School of Science and Mathematics (MSSM), which in 2019 ranked #2 in the United States by U.S. News & World Report. The population center of the town is in Limestone (CDP), in the east-central part of the town. History Limestone was incorporated as a town on March 17, 1869, and was named for regional limestone deposits. General Mark Trafton General Mark Trafton is known as one of the founders of the town of Limestone. Trafton was born July 4, 1785, in York County, Maine. He was educated in public schools and became a leading citizen in Bangor, prominent in civil and military affairs. When a young man, he was commissioned captain of cavalry and served in the War of 1812. He was afterward brigadier-general of the state militia. He was a land agent for the eastern and northern sections of Maine before the office was opened in Bangor. Geography According to the United States Census Bureau, the town has a total area of , of which is land and is water. Climate This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Limestone has a humid continental climate, abbreviated "Dfb" on climate maps. Demographics 2010 census As of the census of 2010, there were 2,314 people, 809 households, and 489 families living in the town. The population density was . There were 1,011 housing units at an average density of . The racial makeup of the town was 89.2% White, 7.0% African American, 1.3% Native American, 0.7% Asian, 0.4% from other races, and 1.4% from two or more races. Hispanic or Latino of any race were 3.8% of the population. There were 809 households, of which 24.7% had children under the age of 18 living with them, 45.5% were married couples living together, 10.0% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 39.6% were non-families. 32.5% of all households were made up of individuals, and 12.6% had someone