Aroostook County is the northernmost county in the U.S. state of Maine. It is located along the Canada–United States border. As of the 2020 census, the population was 67,105. The county seat is Houlto
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.