Dauphin County, Pennsylvania
Founding: 1785 Parent county: Lancaster Namesake: Louis Joseph, Dauphin of France Seat: Harrisburg (1785–) Land area: 525 square miles Population (2020): 286,401 Population (historic): 18,155 (1790); 25,243 (1830); 60,740 (1870); 114,443 (1900); 165,231 (1930) Periods of population growth: pre-1790–1810; 1820–2020 Subdivisions: One city; 16 boroughs; 15 CDPs; 23 townships Pre-1940 residences (estimated): 27,229 (22.1%) Pre-1940 housing survival rate: 51.1% Pre-1860 housing survival rate (1940): 24.7% Farm housing in disrepair (1950): 5.8% Nonfarm housing in disrepair (1950): 4.6% Average farmhouse value (1930): $2,046 Average outbuilding value (1930): $1,810 Average farmhouse size (1940): 7.1 rooms Number of farms (1920): 2,517 Average farm size (1920): 67.6 acres _______________________________________________________________________________...