Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 170.
JACKSON COUNTY, situated toward the south part of Indiana, and traversed by east fork of White river. Area, 500 square miles. Face of the country, even; soil, fertile; seat of justice, Brownstown. Pop. in 1820, 4,010; in 1830, 4,894; in 1840, 8,961; in 1850, 11,048.