Grand Isle County, Vermont

Founding: 1805 (declared in 1802)
Parent counties: Chittenden and Franklin

Namesake: Grand Isle
Seat: North Hero (1805–)

Land area: 82 square miles

Population (2020): 7,293

Population (historic): 3,445 (1810); 3,883 (1840); 4,082 (1870); 4,462 (1900); 3,944 (1930)

Periods of population growth: pre-1810–1860; 1870s; 1890s; 1910–1930; 1960–2020

Subdivisions: One village; five towns

Pre-1940 residences (estimated): 949 (18.2%)
Pre-1940 housing survival rate: 72.2%
Pre-1860 housing survival rate (1940): 36.6%

Farm housing in disrepair (1950): 9%

Nonfarm housing in disrepair (1950): 9.2%

Average farmhouse value (1930): $2,518
Average outbuilding value (1930): $2,232
Average farmhouse size (1940): 6.9 rooms
Number of farms (1920): 501
Average farm size (1920): 66.1 acres
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North Hero

Namesake: North Hero Island

Founding: 1817 (post office)

Population (2020): 939

Population (historic): 125 (1790); 638 (1830); 601 (1870); 712 (1900); 485 (1930)

Periods of population growth: pre-1790–1810; 1820–1850; 1860–1880; 1890s; 1960–2000; 2010s
Pre-1940 residences (estimated): 192 (18.4%)
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Outstanding Buildings

1. Henry Reynolds House (c. 1845). 119 Alburgh Springs Road. Alburgh. Greek Revival.
2. William Lyman House (c. 1810). Border Road and United States–Canada border. Alburgh. Federal. Razed.
3. Frederick Hazen House (1795). 32 Center Bay Road. Alburgh. Federal.
4. Mott House (1823). 748 South Main Street. Alburgh. Federal.
5. William Sowles House (c. 1830). 112 State Route 78. Alburgh. Federal.
6. Alburgh Town Hall (c. 1830). 2406 US Highway 2. Alburgh.
7. Joseph Mott House (1825). 2226 West Shore Road. Alburgh. Federal.
8. Island Villa (1901–1902). 34 East Shore Road. Grand Isle. Second Empire.
9. Francis Childs House (c. 1850). 397 Raewyn Lane. Grand Isle. Greek Revival.
10. William Brown House (c. 1870). 28 Simms Point Road. Grand Isle. Italianate.
11. Elisha Boardman House (1824). 54 West Shore Road. Grand Isle. Federal.
12. John Knight House (1845). 33 Knight's Point Road. North Hero. Greek Revival.
13. Joel Allen Farm (1832). 3381 US Highway 2. North Hero. Federal.
14. George Phelps House (c. 1820). 3 Cavendish Cove Road. South Hero. Federal.

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