Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 140.
GRAND ISLE COUNTY, situated at the northwest corner of Vermont, and comprises Alburg peninsula and several islands in the northern part of Lake Champlain, the two principal of which are North and South Hero. Area, 82 square mile. Face of the country, gently undulating; soil, rich and well cultivated. Seat of justice, North Hero. Pop. in 1810, 4,445; in 1820, 3,527; in 1830, 3,696; in 1840, 3,883; in 1850, 4,145.