Houlton is a town in Aroostook County, Maine, on the Canada–US border, located at 46°07′32″N 67°50′23″W / 46.1256°N 67.8398°W. As of the 2010 census, the town's population was 6,123. Houlton is the county seat of Aroostook County, and as such its nickname is the "Shire Town".