Lehigh County, Pennsylvania
Founding: 1812 Parent county: Northampton Namesake: The Lehigh River Seat: Allentown (1812–) Land area: 345 square miles Population (2020): 374,557 Population (historic): 18,895 (1820); 32,479 (1850); 56,796 (1870); 93,893 (1900); 172,893 (1930) Periods of population growth: pre-1820–2020 Subdivisions: One city; eight boroughs; 12 CDPs; 15 townships Pre-1940 residences (estimated): 35,521 (24.2%) Pre-1940 housing survival rate: 77.7% Pre-1860 housing survival rate (1940): 32.9% Farm housing in disrepair (1950): 5% Nonfarm housing in disrepair (1950): 2.5% Average farmhouse value (1930): $2,651 Average outbuilding value (1930): $2,912 Average farmhouse size (1940): 7 rooms Number of farms (1920): 2,959 Average farm size (1920): 52.2 acres _________________________________________________________________________________ Allentown Namesake: ...