Tompkins County, New York
Founding: 1817 Parent counties: Cayuga and Seneca Namesake: Daniel Tompkins, New York governor Seat: Ithaca (1817–) Land area: 475 square miles Population (2020): 105,740 Population (historic): 20,681 (1820); 38,746 (1850); 33,178 (1870); 33,830 (1900); 41,490 (1930) Periods of population growth: pre-1820–1850; 1860–1880; 1890s; 1910–2020 Subdivisions: One city; six villages; 14 CDPs; nine towns Pre-1940 residences (estimated): 10,911 (25.1%) Pre-1940 housing survival rate: 85.9% Pre-1860 housing survival rate (1940): 36.3% Farm housing in disrepair (1950): 9.9% Nonfarm housing in disrepair (1950): 5.9% Average farmhouse value (1930): $1,761 Average outbuilding value (1930): $1,603 Average farmhouse size (1940): 7.8 rooms Number of farms (1920): 2,550 Average farm size (1920): 73.3 acres _________________________________________________________________________________ Ithaca...