Rensselaer County, New York
Founding: 1791 Parent county: Albany Namesake: Rensselaerswyck, estate of the Van Rensselaer family Seat: Troy (1793–) Land area: 652 square miles Population (2020): 161,130 Population (historic): 30,442 (1800); 60,259 (1840); 99,549 (1870); 121,697 (1900); 119,781 (1930) Periods of population growth: pre-1800–1890; 1900s; 1920–1970; 1980s; 2000–2020 Subdivisions: Two cities; six villages; seven CDPs; 14 towns Pre-1940 residences (estimated): 21,695 (29.5%) Pre-1940 housing survival rate: 67.8% Pre-1860 housing survival rate (1940): 30.5% Farm housing in disrepair (1950): 8.5% Nonfarm housing in disrepair (1950): 5.1% Average farmhouse value (1930): $2,446 Average outbuilding value (1930): $1,640 Average farmhouse size (1940): 7.5 rooms Number of farms (1920): 3,078 Average farm size (1920): 64.8 acres _________________________________________________________________________...