Lebanon County, Pennsylvania

Founding: 1813
Parent counties: Dauphin and Lancaster
Namesake: The city of Lebanon
Seat: Lebanon (1813–)
Land area: 362 square miles
Population (2020): 143,257
Population (historic): 16,988 (1820); 31,831 (1860); 38,476 (1880); 53,827 (1900); 67,103 (1930)
Periods of population growth: pre-1820–2020
Subdivisions: One city; seven boroughs; 14 CDPs; 18 townships
Pre-1940 residences (estimated): 14,004 (24.3%)
Pre-1940 housing survival rate: 75.2%
Pre-1860 housing survival rate (1940): 43.7%

Farm housing in disrepair (1950): 7.5%

Nonfarm housing in disrepair (1950): 3.4%
Average farmhouse value (1930): $1,823
Average outbuilding value (1930): $1,968

Average farmhouse size (1940): 7.3 rooms
Number of farms (1920): 2,372
Average farm size (1920): 60.1 acres
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Lebanon

 
Namesake: The country of Lebanon
Founding: 1753 (platting as Steitztown); 1792 (post office); 1821 (incorporation)
Population (2020): 26,814
Population (historic): 960 (1790); 1,860 (1840); 6,727 (1870); 17,628 (1900); 25,561 (1930)
Periods of population growth: pre-1790–1800; 1810–1960; 2000–2020
Pre-1940 residences (estimated): 4,615 (42.3%)
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