Saratoga County, New York

Founding: 1791
Parent county: Albany
Namesake: An Iroquois word meaning "the hill beside the river"
Seat: Stillwater (1791–1796); Ballston (1796–1817); Ballston Spa (1817–)
Land area: 810 square miles
Population (2020): 235,509
Population (historic): 24,483 (1800); 40,553 (1840); 51,529 (1870); 61,089 (1900); 63,314 (1930)
Periods of population growth: pre-1800–1860; 1870–1910; 1920–2020
Subdivisions: Two cities; ten villages; six CDPs; 19 towns
Pre-1940 residences (estimated): 17,478 (16.3%)
Pre-1940 housing survival rate: 81.4%
Pre-1860 housing survival rate (1940): 28.5%

Farm housing in disrepair (1950): 8.2%

Nonfarm housing in disrepair (1950): 5.2%

Average farmhouse value (1930): $1,955
Average outbuilding value (1930): $1,551

Average farmhouse size (1940): 7.6 rooms

Number of farms (1920): 3,178
Average farm size (1920): 63.2 acres
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Ballston Spa

 
Namesake: Eliphalet Ball, local resident
Founding: 1797 (post office); 1807 (incorporation)
Population (2020): 5,111
Population (historic): 1,500 (1840); 2,285 (1860); 3,011 (1880); 3,923 (1900); 4,591 (1930)
Periods of population growth: pre-1840–1910; 1920s; 1940–1960; 1980–2000
Pre-1940 residences (estimated): 1,437 (55.6%)
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