Coös County, New Hampshire

 

Founding: 1805
Parent county: Grafton

Namesake: An Algonquin word meaning "small pines"
Seat: Lancaster (1803–)

Land area: 1,795 square miles

Population (2020): 31,268

Population (historic): 3,991 (1810); 11,853 (1850); 14,932 (1870); 29,468 (1900); 38,959 (1930)

Periods of population growth: pre-1810–1940; 1950s; 1970s

Subdivisions: One city; 19 towns; 23 townships

National Register listings: 31

Pre-1940 residences (estimated): 6,225 (28.9%)
Pre-1940 housing survival rate: 73.1%
Pre-1860 housing survival rate (1940): 24.1%

Farm housing in disrepair (1950): 22.2%

Nonfarm housing in disrepair (1950): 8.6%

Average farmhouse value (1930): $1,525
Average outbuilding value (1930): $1,433
Average farmhouse size (1940): 7.2 rooms
Number of farms (1920): 1,441
Average farm size (1920): 62.8 acres
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Lancaster

Namesake: Lancaster, Massachusetts

Founding: 1763 (founding); 1802 (post office)

Population (2020): 3,218

Population (historic): 161 (1790); 1,316 (1840); 2,248 (1870); 3,190 (1900); 2,887 (1930)

Periods of population growth: pre-1790–1890; 1920–1990; 2000s
Pre-1940 residences (estimated): 450 (33.4%)
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Outstanding Buildings

1. Monahan Farm (c. 1830). 260 Elm Street. Lancaster. Federal.
2. Thompson House (c. 1845). 120 US Highway 3. Stratford. Greek Revival.
3. *Joseph Martin Farm (c. 1830). 2369 US Highway 3. Stratford.