The Great American Survey: A Slapdash Database of Historic Buildings

Founding:  1830 Parent county:  Crawford Namesake:  The Iowa people Seat:  Mineral Point (1830–) Land area:  763 square miles Population (2020):  23,709 Population (historic):  3,978 (1840); 18,967 (1860); 23,628 (1880); 23,114 (1900); 20,039 (1930) Periods of population growth:  pre-1840–1870; 1890s; 1930s; 1950s; 1970–2020 Subdivisions:  Two cities; nine villages; one CDP; 14 towns Pre-1940 residences (estimated):  2,915 (26.6%) Pre-1940 housing survival rate:  64% Pre-1860 housing survival rate (1940):  9.2% Farm housing in disrepair (1950):  4.8% Nonfarm housing in disrepair (1950):  6.2% Average farmhouse value (1930):  $2,051 Average outbuilding value (1930):  $2,677 Average farmhouse size (1940):  6.7 rooms Number of farms (1920):  2,527 Average farm size (1920):  100.7 acres Sources of settlement:  England, Ireland, Wales, Norway, Germany, and New York ________...

Founding:  1845 (declared in 1843) Parent county:  Keokuk Namesake:  The Iowa River Seat:  Marengo (1845–) Land area:  586 square miles Population (2020):  16,662 Population (historic):  822 (1850); 16,644 (1870); 18,270 (1890); 18,409 (1910); 17,332 (1930) Periods of population growth:  pre-1850–1880; 1890s; 1910s; 1950s; 1990–2020 Subdivisions:  Seven cities; eight CDPs; 16 townships Pre-1940 residences (estimated):  2,351 (32%) Pre-1940 housing survival rate:  60.7% Pre-1860 housing survival rate (1940):  5% Farm housing in disrepair (1950):  1.5% Nonfarm housing in disrepair (1950):  2.3% Average farmhouse value (1930):  $2,581 Average outbuilding value (1930):  $2,972 Average farmhouse size (1940):  6.8 rooms Number of farms (1920):  2,256 Average farm size (1920):  138.3 acres Sources of settlement:  Germany, Ohio, Illinois, New York, Pennsylvania, and Ireland ______________________...