ELLSWORTH, a city of the United States, capital of Hancock county, Maine, is situated 25 miles east of Bangor, on the Union river, about four miles from its mouth. As the port of entry for the district of Frenchman’s Bay, and the seat of an extensive trade in timber, it enjoys great commercial prosperity; and, besides a considerable variety of wooden wares, it manufactures iron, brass, sailcloth, carriages, and sledges. Population in 1840, 2263; in 1870, 5257.