Griswold is a town in New London County, Connecticut, United States. The population was 11,951 at the 2010 census. Griswold contains one borough, Jewett City, and also contains the villages of Doaneville, Rixtown, Glasgo, Hopeville, and Pachaug.
Long a fishing ground for the Mohegan people, the waterways attracted settlers who established ironworks, saw and corn mills, and other businesses.
The town of Griswold was originally the "northern" part of the town of Preston. As the local population grew, at the request of residents who had been travelling to Preston for church functions, the North Society was established in 1716.
In the late 1700s, Eliezer Jewett opened several mills and an irrigation plant. His success led the area to be called Jewett City. The town of Griswold incorporated in 1815, naming itself after Governor Roger Griswold. In 1895, Jewett City incorporated as a borough of the town. Griswold contains Hopeville Pond State Park, former site of a woolen mill.
The Pachaug and Quinebaug rivers flow through the town of Griswold, which is located at the northeastern edge of New London County. According to the United States Census Bureau, the town has a total area of 37.1 square miles (96.0 km2), of which 34.7 square miles (89.9 km2) is land and 2.4 square miles (6.1 km2), or 6.37%, is water.
As of the census of 2010, there were 11,951 people, 4,646 households, and 3,225 families residing in the town. The population density was 344.4 people per square mile (132.9/km²). There were 5,118 housing units at an average density of 147.5 per square mile (56.9/km²). The racial makeup of the town was 91.6% White, 1.8% African American, 0.9% Native American, 2.2% Asian, 0.03% Pacific Islander, 0.6% some other race, and 2.8% from two or more races. Hispanic or Latino of any race were 3.3% of the population.
There were 4,646 households, out of which 31.3% had children under the age of 18 living with them, 50.3% were headed by married couples living together, 12.5% had a female householder with no husband present, and 30.6% were non-families. 23.3% of all households were made up of individuals, and 7.4% were someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.00.
In the town, the population was spread out with 22.9% under the age of 18, 8.4% from 18 to 24, 27.2% from 25 to 44, 30.8% from 45 to 64, and 10.7% who were 65 years of age or older. The median age was 39.6 years. For every 100 females there were 99.8 males. For every 100 females age 18 and over, there were 97.8 males.
At the 2000 census, the median income for a household in the town was $40,156, and the median income for a family was $48,852. Males had a median income of $57,869 versus $17,441 for females. The per capita income for the town was $21,196. About 6.1% of families and 9.2% of the population were below the poverty line, including 6.1% of those under age 18 and 7.6% of those age 65 or over.
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