McKean County, Pennsylvania

Founding: 1826 (declared in 1804)
Parent county: Lycoming

Namesake: Thomas McKean, Pennsylvania governor
Seat: Smethport (1826–)

Land area: 979 square miles

Population (2020): 40,432

Population (historic): 1,439 (1830); 8,859 (1860); 42,565 (1880); 51,343 (1900); 55,167 (1930)

Periods of population growth: 1810–1860; 1870–1900; 1910–1940

Subdivisions: One city; six boroughs; two CDPs; 15 townships

National Register listings: 11

Pre-1940 residences (estimated): 8,590 (40.4%)
Pre-1940 housing survival rate: 59%
Pre-1860 housing survival rate (1940): 17%

Farm housing in disrepair (1950): 11.8%

Nonfarm housing in disrepair (1950): 7.3%
Average farmhouse value (1930): $1,943
Average outbuilding value (1930): $1,658
Average farmhouse size (1940): 6.7 rooms
Number of farms (1920): 1,580
Average farm size (1920): 42.7 acres
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Smethport

Namesake: The DeSmeth family, who funded the borough's platting

Founding: 1807 (platting); 1832 (post office); 1853 (incorporation)

Population (2020): 1,430

Population (historic): 313 (1860); 872 (1880); 1,704 (1900); 1,733 (1930)

Periods of population growth: pre-1860; 1870–1910; 1920–1940; 1960s
Pre-1940 residences (estimated): 442 (57.9%)
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Outstanding Buildings

1. *Crook Farm (1856). 476 Seaward Road. Foster. Greek Revival.