Limestone is a town in Aroostook County, Maine, United States. The population was 1,526 at the 2020 census.
Limestone, Maine
Aroostook County is a county in the U.S. state of Maine along the Canada–United States border. As of the 2020 census, the population was 67,105. The county seat is Houlton, with offices in Caribou and Fort Kent.
Aroostook County Courthouse
Children gathering potatoes on a large farm in Aroostook County, 1940. Schools did not open until the potatoes were harvested. Photo by Jack Delano.