Gazetteer/Almanac
Headnote
WASHINGTON COUNTY, situated toward the south part of Illinois, with Kaskaskia river on the northwest. Area, 656 square miles. Seat of justice, Nashville. Pop. in 1820, 1,517; in 1830, 1,674; in 1840, 4,810; in 1850, 6,593. (Fanning's, 1853)