Tolland County, Connecticut

Founding: 1785
Parent counties: Hartford and Windham
Namesake: The town of Tolland
Seat: Tolland (1785–1889); Rockville (1889–1960)
Land area: 410 square miles
Population (2020): 149,788
Population (historic): 13,251 (1790); 17,980 (1840); 22,000 (1870); 24,523 (1900); 28,659 (1930)
Periods of population growth: pre-1790–1800; 1810–1830; 1840–1890; 1900–2010

Subdivisions: 13 towns
Pre-1940 residences (estimated): 10,529 (17.5%)
Pre-1940 housing survival rate: 80.7%
Pre-1860 housing survival rate (1940): 39.5%

Farm housing in disrepair (1950): 6.2%

Nonfarm housing in disrepair (1950): 3.9%

Average farmhouse value (1930): $2,472
Average outbuilding value (1930): $1,944

Average farmhouse size (1940): 6.9 rooms

Number of farms (1920): 1,977
Average farm size (1920): 26.8 acres
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Tolland (ex-seat)

 
Namesake: Uncertain—perhaps Tolland, England
Founding: 1715 (incorporation); 1798 (post office)
Population (2020): 14,563
Population (historic): 1,597 (1820); 1,310 (1860); 1,169 (1880); 1,036 (1900); 1,064 (1930)
Periods of population growth: pre-1820; 1900s; 1920–2010

Pre-1940 residences (estimated): 215 (3.9%)
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Rockville

 
Namesake: A reference to stone outcroppings along the Hockanum River
Founding: 1842 (post office)
Population (2020): 7,920
Pre-1940 residences (estimated): 1,787 (47.8%)
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