The Great American Survey: A Slapdash Database of Historic Buildings

Founding:  1648 Parent county:  York Namesake:  Northumberland, England Seat:  Heathsville (1681–) Land area:  191 square miles Population (2020):  11,839 Population (historic):  9,163 (1790); 7,924 (1840); 6,863 (1870); 9,486 (1900); 11,081 (1930) Periods of population growth:  pre-1790; 1800s; 1850s; 1870s; 1890–1920; 1950s; 1970–2010 Subdivisions:  One CDP Pre-1940 residences (estimated):  1,152 (12.4%) Pre-1940 housing survival rate:  45.8% Pre-1860 housing survival rate (1940):  12.6% Farm housing in disrepair (1950):  11.2% Nonfarm housing in disrepair (1950):  10.8% Average farmhouse value (1930):  $1,151 Average outbuilding value (1930):  $366 Average farmhouse size (1940):  5.6 rooms Number of farms (1920):  1,534 Average farm size (1920):  30.1 acres _________________________________________________________________________________   Heathsville   Namesake:  John Heath,...

Founding:  1772 Parent counties:  Bedford, Berks, Cumberland, Lancaster, and Northampton Namesake:  Northumberland, England Seat:  Sunbury (1772–) Land area:  458 square miles Population (2020):  91,647 Population (historic):  17,147 (1790); 18,133 (1830); 28,922 (1860); 90,911 (1900); 128,504 (1930) Periods of population growth:  pre-1790–1930; 1970s Subdivisions:  Two cities; 11 boroughs; 14 CDPs; 23 townships Pre-1940 residences (estimated):  18,850 (41.5%) Pre-1940 housing survival rate:  65.4% Pre-1860 housing survival rate (1940):  18% Farm housing in disrepair (1950):  10.3% Nonfarm housing in disrepair (1950):  5.9% Average farmhouse value (1930):  $1,577 Average outbuilding value (1930):  $1,655 Average farmhouse size (1940):  7.1 rooms Number of farms (1920):  2,589 Average farm size (1920):  63.1 acres _______________________________________________________...