Gazetteer/Almanac
Headnote
JO-DAVIESS COUNTY, situated at the northwest corner of Illinois, on the Mississippi river. Area, 724 square miles. Soil rich. Seat of justice, Galena. Pop. in 1830, 2,111; in 1840, 6,180; in 1850, 18,604. (Fanning's, 1853)