Sussex County, New Jersey
Founding: 1753 Parent county: Morris Namesake: Sussex, England Seat: Newton (1765–) Land area: 519 square miles Population (2020): 144,221 Population (historic): 19,500 (1790); 20,345 (1830); 23,846 (1860); 24,134 (1900); 27,830 (1930) Periods of population growth: pre-1790–1820; 1830–1860; 1870s; 1890–1910; 1920–2010 Subdivisions: One town; eight boroughs; 15 townships Pre-1940 residences (estimated): 8,463 (13.6%) Pre-1940 housing survival rate: 62% Pre-1860 housing survival rate (1940): 36.5% Farm housing in disrepair (1950): 5.8% Nonfarm housing in disrepair (1950): 4.9% Average farmhouse value (1930): $3,270 Average outbuilding value (1930): $2,990 Average farmhouse size (1940): 6.9 rooms Number of farms (1920): 1,503 Average farm size (1920): 91.1 acres _________________________________________________________________________________ Newton...