Strafford County, New Hampshire

Founding: 1773 (declared in 1769)
Parent county: Unorganized territory
Namesake: William Wentworth, 2nd Earl of Strafford
Seat: Dover (1771–)
Land area: 368 square miles
Population (2020): 130,889
Population (historic): 23,611 (1790); 61,127 (1840); 30,243 (1870); 39,337 (1900); 38,580 (1930)
Periods of population growth: pre-1790–1840; 1850s; 1870–1900; 1930–2020
Subdivisions: Three cities; four CDPs; ten towns
Pre-1940 residences (estimated): 11,229 (20%)
Pre-1940 housing survival rate: 86.5%
Pre-1860 housing survival rate (1940): 40.2%

Farm housing in disrepair (1950): 7.2%

Nonfarm housing in disrepair (1950): 6.2%

Average farmhouse value (1930): $1,728
Average outbuilding value (1930): $1,649

Average farmhouse size (1940): 7.8 rooms

Number of farms (1920): 1,421
Average farm size (1920): 29.2 acres
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Dover

 
Namesake: Dover, England
Founding: 1623 (founding); 1795 (post office); 1855 (incorporation)
Population (2020): 32,741
Population (historic): 1,998 (1790); 6,458 (1840); 9,294 (1870); 13,207 (1900); 13,573 (1930)
Periods of population growth: pre-1790–1910; 1920–2020
Pre-1940 residences (estimated): 3,806 (24.8%)
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