Carroll County, New Hampshire

Founding: 1840
Parent county: Strafford
Namesake: Charles Carroll, Maryland politician
Seat: Ossipee (1840–)
Land area: 932 square miles
Population (2020): 50,107
Population (historic): 20,157 (1850); 17,332 (1870); 18,124 (1890); 16,316 (1910); 14,277 (1930)
Periods of population growth: pre-1850–1860; 1870s; 1930–1950; 1960–2020
Subdivisions: Ten CDPs; one township; 18 towns
National Register listings: 59
Pre-1940 residences (estimated): 6,800 (16.4%)
Pre-1860 housing survival rate (1940): 37.6%

Farm housing in disrepair (1950): 8.9%

Nonfarm housing in disrepair (1950): 3.5%

Average farmhouse value (1930): $1,769
Average outbuilding value (1930): $1,241

Average farmhouse size (1940): 7.6 rooms

Number of farms (1920): 1,520
Average farm size (1920): 29.9 acres
_________________________________________________________________________________
 

Ossipee

 
Namesake: The Ossipee tribe
Founding: 1785 (incorporation); 1798 (post office)
Population (2020): 4,372
Population (historic): 339 (1790); 2,170 (1840); 1,822 (1870); 1,479 (1900); 1,230 (1930)
Periods of population growth: pre-1790–1820; 1830s; 1920–1940; 1960–2020
Pre-1940 residences (estimated): 679 (21.9%)
_________________________________________________________________________________

View and filter the data. Or see a larger map.
_________________________________________________________________________________

Outstanding Buildings

1. *Eagle Mountain House (1916/1929). 179 Carter Notch Road. Jackson. Classical Revival.
2. *Windermere / Frank Greene House (1891–1893). 12 Land's End Lane. Moultonborough. Queen Anne.
3. *Lucknow / Thomas Plant Estate (1913). 455 Old Mountain Road. Moultonborough. Craftsman.
4. *First Baptist Church (1856–1857). 375 Granite Road. Ossipee. Greek Revival.
5. House (c. 1880). 2285 White Mountain Highway. Ossipee. Italianate.