Mahoning County, Ohio
Founding: 1846 Parent counties: Columbiana and Trumbull Namesake: The Mahoning River Seats: Canfield (1846–1876); Youngstown (1876–) Land area: 412 square miles Population (2020): 228,614 Population (historic): 23,735 (1850); 31,001 (1870); 55,979 (1890); 116,151 (1910); 236,142 (1930) Periods of population growth: pre-1850–1970 Subdivisions: Four cities; six villages; six CDPs; 14 townships Pre-1940 residences (estimated): 24,624 (22.1%) Pre-1940 housing survival rate: 40.6% Pre-1860 housing survival rate (1940): 32.3% Farm housing in disrepair (1950): 9.7% Nonfarm housing in disrepair (1950): 5.6% Average farmhouse value (1930): $2,198 Average outbuilding value (1930): $1,618 Average farmhouse size (1940): 6.7 rooms Number of farms (1920): 2,555 Average farm size (1920): 53.1 acres Sources of settlement: Pennsylvania, Ireland, Connecticut, G...