JASPER COUNTY, situated in the central part of Georgia, with Ocmulgee river on the southwest. Area, 480 square miles. Seat of justice, Monticello. Pop. in 1810, 7,573; in 1820, 13,614; in 1830, 13,131; in 1840, 11,111; in 1850, 11,486.

JACKSON COUNTY, situated toward the northeasterly part of Georgia. Area, 432 square miles. Seat of justice, Jefferson. Pop. in 1810, 10,569; in 1820, 8,355; in 1830, 9,004; in 1840, 8,522; in 1850, 9,768.

IRWIN COUNTY, situated in the southerly part of Georgia, with Ocmulgee river on the northeast. Area, 2,079 square miles. Face of the country, generally level. Seat of justice, Irwinville. Pop. in 1820, 411; in 1830, 1,180; in 1840, 2,038; in 1850, 3,334.

HOUSTON COUNTY, situated toward the southern part of Georgia, with Ocmulgee river on the northeast. Area, 510 square miles. Seat of justice, Perry. Pop. in 1830, 7,369; in 1840, 9,711; in 1850, 16,450.

HENRY COUNTY, situated toward the westerly part of Georgia, with Ocmulgee river on the northeast. Area, 594 square miles. Seat of justice, McDonough. Pop. in 1830, 10,567; in 1840, 11,756; in 1850, 14,726.

HEARD COUNTY, situated on the western boundary of Georgia, and traversed by Chattahoochee river. Area, 175 square miles. Seat of justice, Franklin. Pop. in 1840, 5,329; in 1850, 6,923.

HARRIS COUNTY, situated on the western boundary of Georgia, with Chattahoochee river on the west. Area, 410 square miles. Face of the country, hilly; Seat of justice, Hamilton. Pop. in 1830, 5,105; in 1840, 13,933; in 1850, 14,721.

HANCOCK COUNTY, situated toward the easterly part of Georgia, with Oconee river on the west, and the Ogeechee on the east. Area, 600 square miles. Face of the country undulating; soil fertile. Seat of justice, Sparta. Pop. in 1810, 13,339; in 1820, 12,734; in 1830, 11,822; in 1840, 9,659; in 1850, 11,578.

HALL COUNTY, situated in the northeasterly part of Georgia, and traversed by Chattahoochee river. Area, 525 square miles. Face of the country mountainous and hilly. Seat of justice, Gainesville. Pop. in 1820, 5,086; in 1830, 11,755; in 1840, 7,875; in 1850, 8,713.

HABERSHAM COUNTY, situated on the northeasterly boundary of Georgia, and traversed by Chattahoochee river. Area, 760 square miles. Face of the country hilly, and the eastern part is traversed by the Blue Ridge. Seat of justice, Clarksville. Pop. in 1820, 3,171; in 1830, 10,648; in 1840, 7,961; in 1850, 8,895.