Bergen County, New Jersey
Founding: 1683 Parent county: Unorganized territory Namesake: Uncertain—perhaps Bergen, North Holland Seat: Bergen (1683–1710); Hackensack (1710–) Land area: 233 square miles Population (2020): 955,732 Population (historic): 12,601 (1790); 13,233 (1840); 30,122 (1870); 78,441 (1900); 364,977 (1930) Periods of population growth: pre-1790–1830; 1840–1970; 1990–2020 Pre-1940 residences (estimated): 73,035 (20.4%) Pre-1940 housing survival rate: 66.7% Pre-1860 housing survival rate (1940): 33.4% Farm housing in disrepair (1950): 2.7% Nonfarm housing in disrepair (1950): 1.4% Average farmhouse value (1930): $5,491 Average outbuilding value (1930): $3,693 Average farmhouse size (1940): 6.5 rooms Number of farms (1920): 1,012 Average farm size (1920): 21.5 acres _________________________________________________________________________________ Hackensack Namesake: The Hackensack Ri...