Lycoming County, Pennsylvania

Founding: 1795
Parent county: Northumberland

Namesake: Lycoming Creek
Seat: Williamsport (1795–)

Land area: 1,229 square miles

Population (2020): 114,188

Population (historic): 5,414 (1800); 22,649 (1840); 47,626 (1870); 75,663 (1900); 93,421 (1930)

Periods of population growth: pre-1800–2000

Subdivisions: One city; nine boroughs; four CDPs; 42 townships

Pre-1940 residences (estimated): 16,926 (31.8%)
Pre-1940 housing survival rate: 69.7%
Pre-1860 housing survival rate (1940): 27%

Farm housing in disrepair (1950): 10.4%

Nonfarm housing in disrepair (1950): 6.1%
Average farmhouse value (1930): $1,771
Average outbuilding value (1930): $1,905
Average farmhouse size (1940): 7 rooms
Number of farms (1920): 3,273
Average farm size (1920): 60.5 acres
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Williamsport

Namesake: Unknown

Founding: 1795 (platting); 1799 (post office); 1806 (incorporation)

Population (2020): 27,754

Population (historic): 344 (1810); 1,353 (1840); 16,030 (1870); 28,757 (1900); 45,729 (1930)

Periods of population growth: pre-1810–1930; 1940s
Pre-1940 residences (estimated): 6,756 (51.9%)
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