SARATOGA COUNTY, situated in the east part of New York, with Hudson river on the east, and the Mohawk on the south. Area, 800 square miles. Face of the country, varied with hills and valleys in the north, and alluvial plains toward the Mohawk; soil varied -- along the streams, fertile. Seat of justice, Ballston Spa. Pop. in 1810, 33,147; in 1820, 36,052; in 1830, 38,679; in 1840, 40,533; in 1850, 45,646. (Fanning's, 1853)