Lewis County, New York

Founding: 1805
Parent county: Oneida

Namesake: Morgan Lewis, New York governor
Seat: Martinsburg (1805–1864); Lowville (1864–)

Land area: 1,275 square miles

Population (2020): 26,582

Population (historic): 6,433 (1810); 24,564 (1850); 28,699 (1870); 27,427 (1900); 23,447 (1930)

Periods of population growth: pre-1810–1880; 1950–2010

Subdivisions: Eight villages; one CDP; 17 towns

Pre-1940 residences (estimated): 5,070 (32.5%)
Pre-1940 housing survival rate: 88.1%
Pre-1860 housing survival rate (1940): 20.5%

Farm housing in disrepair (1950): 13.4%

Nonfarm housing in disrepair (1950): 8.1%

Average farmhouse value (1930): $1,629
Average outbuilding value (1930): $1,854

Average farmhouse size (1940): 8.3 rooms
Number of farms (1920): 2,952
Average farm size (1920): 75.8 acres
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Lowville

Namesake: Nicholas Low, New York real-estate developer

Founding: 1803 (post office); 1847 (incorporation)

Population (2020): 3,272

Population (historic): 2,511 (1890); 2,940 (1910); 3,423 (1930)

Periods of population growth: pre-1890; 1900–1950; 1960s; 1980s
Pre-1940 residences (estimated): 1,061 (70.4%)
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