Blaine is a town in Aroostook County, incorporated on February 10, 1874, from the former Alva Plantation, which itself was organized on April 21, 1862. The town was named for Maine politician James G. Blaine. Blaine is a “half-township” town, forming a rectangle only half the size of the typical 6-mile by 6-mile square township. — Maine, an Encylopedia