Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 126.
FLOYD COUNTY, situated in the easterly part of Kentucky, and traversed by west fork of Big Sandy river. Area, 1,400 square miles. Face of the country broken with hills and mountains; soil of middling quality. Seat of justice, Prestonburgh. Pop. in 1810, 3,485; in 1820, 8,207; in 1830, 4,266; in 1840, 6,302; in 1850, 5,714.