Yates County, New York

Founding: 1823
Parent county: Ontario

Namesake: Joseph Yates, New York governor
Seat: Penn Yan (1823–)

Land area: 338 square miles

Population (2020): 24,774

Population (historic): 19,009 (1830); 20,290 (1860); 21,001 (1890); 18,642 (1910); 16,848 (1930)

Periods of population growth: pre-1830–1850; 1870s; 1920s; 1940–2010

Subdivisions: Four villages; one CDP; nine towns

Pre-1940 residences (estimated): 4,823 (34.8%)
Pre-1940 housing survival rate: 75.4%
Pre-1860 housing survival rate (1940): 29.3%

Farm housing in disrepair (1950): 4.9%

Nonfarm housing in disrepair (1950): 3%

Average farmhouse value (1930): $2,206
Average outbuilding value (1930): $2,229
Average farmhouse size (1940): 8.2 rooms
Number of farms (1920): 2,041
Average farm size (1920): 76.9 acres
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Penn Yan

Namesake: Uncertain—perhaps a combination of the words Pennsylvania and Yankee

Founding: 1799 (founding); 1818 (post office); 1833 (incorporation)

Population (2020): 5,056

Population (historic): 2,388 (1860); 3,475 (1880); 4,650 (1900); 5,329 (1930)

Periods of population growth: pre-1860–1870; 1880–1900; 1920s; 1940–1960
Pre-1940 residences (estimated): 1,275 (51.4%)
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