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Gilmanton, New Hampshire facts for kids

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Gilmanton, New Hampshire
High Street in 1910
High Street in 1910
Official seal of Gilmanton, New Hampshire
Location in Belknap County, New Hampshire
Country United States
State New Hampshire
County Belknap
Incorporated 1727
 • Total 59.0 sq mi (152.8 km2)
 • Land 57.2 sq mi (148.2 km2)
 • Water 1.8 sq mi (4.6 km2)  2.98%
988 ft (301 m)
 • Total 3,777
 • Density 66/sq mi (25.5/km2)
Time zone UTC-5 (Eastern)
 • Summer (DST) UTC-4 (Eastern)
ZIP code
Area code(s) 603
FIPS code 33-28980
GNIS feature ID 0873604

Gilmanton is a town in Belknap County, New Hampshire, United States. The population was 3,777 at the 2010 census. Gilmanton includes the villages of Gilmanton Corners and Gilmanton Ironworks. The town became well known in the 1950s after it was rumored that the popular novel Peyton Place, written by resident Grace Metalious, was based on the town.


Gilmanton was incorporated in 1727. First known as Gilmantown, the town was home to the Gilman family, originally settled at Exeter. Twenty-four members of the Gilman family received land grants in the new town of Gilmanton. (Other families related to the Gilmans also received grants in the new town, including the Dudleys, the Leavitts, the Folsoms and the Coffins.) At one time it was the second-largest town in the state, following Portsmouth. The original town was larger than it is now, with villages and parishes including Belmont, Gunstock Parish (Gilford), Hurricane, Tioga, Factory Village and Lakeport. A parish first called Averytown, the site of an unprofitable iron-mining enterprise, is still known as Gilmanton Iron Works.

Gilmanton Academy was incorporated in 1794, " of the three academies first founded in the state..." In 1808 the original building burned; the second building also burned, in 1894, and was replaced with the current building, which now houses the town offices.

Gilmanton Theological Seminary was provided for by the terms of the original charter of Gilmanton Academy. Rev. Heman Rood, from New Milford, Connecticut, was the first professor in 1835. By 1841 a large, three-story brick building designed by Ammi B. Young was completed for the seminary's use.


According to the United States Census Bureau, the town has a total area of 59.0 square miles (153 km2), of which 57.2 square miles (148 km2) is land and 1.8 square miles (4.7 km2) is water, comprising 2.98% of the town. The highest point in Gilmanton is Mount Mack, at 1,945 feet (593 m) above sea level, on the town line with Gilford. Crystal Lake is in the east, and Shellcamp Pond is in the west. Gilmanton lies fully within the Merrimack River watershed.

The town is served by four state routes: 106, 129, 107 and 140. Route 107 is part of Old Province Road, an important road in New Hampshire's early history, and Route 106 is a well-traveled connection between Laconia and Concord. Route 140 is an east-west highway leading from Tilton to Alton. The intersection NH 107 and NH 140 is at Gilmanton Corners, one of the two major villages. Gilmanton Corner (or simply "Gilmanton", as shown on topographic maps) is the location of several historic buildings, including Gilmanton Academy and Centre Congregational Church. Gilmanton Ironworks is located in the eastern part of town along NH 140, near the outlet of Crystal Lake.


Historical population
Census Pop.
1790 2,613
1800 3,752 43.6%
1810 4,338 15.6%
1820 3,752 −13.5%
1830 3,816 1.7%
1840 3,485 −8.7%
1850 3,282 −5.8%
1860 2,373 −27.7%
1870 1,642 −30.8%
1880 1,485 −9.6%
1890 1,211 −18.5%
1900 1,100 −9.2%
1910 968 −12.0%
1920 814 −15.9%
1930 676 −17.0%
1940 708 4.7%
1950 754 6.5%
1960 736 −2.4%
1970 1,010 37.2%
1980 1,941 92.2%
1990 2,609 34.4%
2000 3,060 17.3%
2010 3,777 23.4%
2015 (est.) 3,776 0.0%
U.S. Decennial Census

As of the census of 2000, there were 3,060 people, 1,165 households, and 900 families residing in the town. The population density was 53.6 people per square mile (20.7/km²). There were 1,848 housing units at an average density of 32.4 per square mile (12.5/km²). The racial makeup of the town was 98.59% White, 0.10% African American, 0.20% Native American, 0.13% Asian, and 0.98% from two or more races. Hispanic or Latino of any race were 0.29% of the population.

There were 1,165 households out of which 33.1% had children under the age of 18 living with them, 68.8% were married couples living together, 5.5% had a female householder with no husband present, and 22.7% were non-families. 17.2% of all households were made up of individuals and 5.8% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 2.96.

In the town, the population was spread out with 24.2% under the age of 18, 5.9% from 18 to 24, 30.5% from 25 to 44, 27.6% from 45 to 64, and 11.7% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 102.9 males. For every 100 females age 18 and over, there were 100.1 males.

The median income for a household in the town was $50,542, and the median income for a family was $51,712. Males had a median income of $37,077 versus $27,727 for females. The per capita income for the town was $23,163. About 3.3% of families and 5.9% of the population were below the poverty line, including 5.8% of those under age 18 and 9.1% of those age 65 or over.

Sites of interest

  • Carpenter Museum of Antique Outboard Motors
  • Crystal Lake
  • Griswold Scout Reservation which includes Hidden Valley Scout Camp and Camp Bell, Boy Scouts of America
  • Village of Gilmanton Ironworks

National Register of Historic Places

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