Hanover is a town along the Connecticut River in Grafton County, New Hampshire, United States. The population was 11,260 at the 2010 census. Dartmouth College and the US Army Corps of Engineers Cold Regions Research and Engineering Laboratory are located in Hanover. The Appalachian Trail crosses the town.
According to the United States Census Bureau, the town has a total area of 50.3 square miles (130.3 km), of which 49.0 square miles (126.9 km) is land and 1.3 square miles (3.4 km) is water, comprising 2.52% of the town. The primary settlement in Hanover, where over 75% of the town’s population resides, is defined as the Hanover census-designated place (CDP) and contains the areas around Dartmouth College and the intersections of New Hampshire Routes 10, 10A, and 120. The CDP has a total area of 5.0 square miles (13 km), of which 4.6 square miles (12 km) is land and 0.4 square miles (1.0 km) is water.
Hanover borders the towns of Lyme, Canaan, and Enfield, New Hampshire; Norwich, Vermont; and the city of Lebanon, New Hampshire. Inside the limits of Hanover are the small rural villages of Etna and Hanover Center.
The highest point in Hanover is the north peak of Moose Mountain, at 2,313 feet (705 m) above sea level. Hanover lies fully within the Connecticut River watershed.
There are a number of trails and nature preserves in Hanover, and the majority of these trails are suitable for snowshoes and cross-country skis. The Velvet Rocks Trail, located on the Appalachian Trail, has a number of rock climbing and bouldering spots.
As of the census of 2010, there were 11,260 people, 3,119 households, and 1,797 families residing in the town. The population density was 220 people per square mile (86/km). There were 3,278 housing units at an average density of 65.2 per square mile (25.2/km). The racial makeup of the town was 81.0% White, 3.4% Black, 0.8% Native American, 10.8% Asian, 0.03% Pacific Islander, 0.7% from other races, and 3.2% from two or more races. Hispanic or Latino of any race were 3.9% of the population.
There were 3,119 households out of which 27.4% had children under the age of 18 living with them, 51.5% were married couples living together, 4.7% had a female householder with no husband present, and 42.4% were non-families. 31.0% of all households were made up of individuals and 16.1% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 2.95.
In the town, the population was spread out with 27.8% at or under the age of 19, 25.5% from 20 to 24, 14.4% from 25 to 44, 18.6% from 45 to 64, and 13.7% who were 65 years of age or older. The median age was 23 years.
For the period 2010-14, the estimated median income for a household in the town was $94,063, and the median income for a family was $129,000. Male full-time workers had a median income of $87,550 versus $53,141 for females. The per capita income for the town was $34,140. About 2.0% of families and 12.0% of the population were below the poverty line, including 3.4% of those under age 18 and 4.8% of those age 65 or over.