Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 22.
ALLEN COUNTY, in the northeast part of Indiana, along the state of Ohio, watered by St. Joseph and St. Mary's rivers, which unite and form the Maumee, and the Wabash and Erie canal. Area, about 650 square miles. Courts are held at Fort Wayne. Pop. in 1830, 996; in 1840, 3,654; in 1850, 16,920.