Ottawa County, Michigan
Founding: 1837 (declared in 1831) Parent county: Unorganized territory Namesake: The Ottawa people Seat: Grand Haven (1837–) Land area: 563 square miles Population (2020): 296,200 Population (historic): 5,587 (1850); 26,651 (1870); 35,358 (1890); 45,301 (1910); 54,858 (1930) Periods of population growth: pre-1850–2020 Subdivisions: Six cities; one village; three CDPs; 17 townships Pre-1940 residences (estimated): 10,610 (9.6%) Pre-1940 housing survival rate: 60.8% Pre-1860 housing survival rate (1940): 9.4% Farm housing in disrepair (1950): 7% Nonfarm housing in disrepair (1950): 3.9% Average farmhouse value (1930): $1,837 Average outbuilding value (1930): $1,556 Average farmhouse size (1940): 6.4 rooms Number of farms (1920): 4,296 Average farm size (1920): 55.5 acres Sources of settlement: Holland, New York, Canada, Germany, Ohio, and Irela...