Gazetteer/Almanac
Headnote
UNION COUNTY, situated toward the west part of Ohio. Area, 450 square miles. Face of the country, even; soil, fertile. Seat of justice, Marysville. Pop in 1820, 1,996; in 1830, 3,192; in 1840, 8,422; in 1850, 12,204. (Fanning's, 1853)