New Castle County, Delaware
Founding: 1673 Parent county: Unorganized territory Namesake: The city of New Castle Seat: New Castle (1664–1881); Wilmington (1881–) Land area: 426 square miles Population (2020): 570,719 Population (historic): 19,688 (1790); 33,120 (1840); 63,515 (1870); 109,697 (1900); 161,032 (1930) Periods of population growth: pre-1790–1800; 1810–2020 Subdivisions: Four cities; six towns; three villages; 13 CDPs Pre-1940 residences (estimated): 26,905 (11.9%) Pre-1940 housing survival rate: 50.8% Pre-1860 housing survival rate (1940): 26.1% Farm housing in disrepair (1950): 4.3% Nonfarm housing in disrepair (1950): 4% Average farmhouse value (1930): $3,988 Average outbuilding value (1930): $4,124 Average farmhouse size (1940): 7.2 rooms Number of farms (1920): 1,825 Average farm size (1920): 88.9 acres _________________________________________________________________________________ ...