South Hampton is a town in Rockingham County, New Hampshire, United States. The population was 814 at the 2010 census. South Hampton is home to Cowden State Forest and Powwow River State Forest.
According to the United States Census Bureau, the town has a total area of 8.0 square miles (21 km), of which 7.9 sq mi (20 km) is land and 0.1 sq mi (0.26 km) is water, comprising 1.62% of the town. South Hampton is drained by the Powwow River, part of the Merrimack River watershed. The highest point in town is the summit of Chair Hill, at 330 feet (100 m) above sea level, near the eastern end of town.
Routes 107A and 150 go through South Hampton. The nearest Interstate is Interstate 495 in Amesbury, Massachusetts, one town to the south.
Attractions in South Hampton include Heron Pond Farm and Jewell Towne Vineyards.
As of the census of 2000, there were 844 people, 301 households, and 244 families residing in the town. The population density was 107.2 people per square mile (41.4/km²). There were 308 housing units at an average density of 39.1 per square mile (15.1/km²). The racial makeup of the town was 97.99% White, 0.59% African American, 0.12% Asian, 0.47% Pacific Islander, and 0.83% from two or more races. Hispanic or Latino of any race were 0.36% of the population.
There were 301 households out of which 34.9% had children under the age of 18 living with them, 69.1% were married couples living together, 7.6% had a female householder with no husband present, and 18.9% were non-families. 13.0% of all households were made up of individuals and 6.3% had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.07.
In the town, the population was spread out with 24.9% under the age of 18, 4.3% from 18 to 24, 28.7% from 25 to 44, 28.7% from 45 to 64, and 13.5% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 88.8 males. For every 100 females age 18 and over, there were 89.3 males.
The median income for a household in the town was $63,750, and the median income for a family was $75,778. Males had a median income of $45,156 versus $30,625 for females. The per capita income for the town was $28,287. About 0.8% of families and 2.7% of the population were below the poverty line, including 3.4% of those under age 18 and none of those age 65 or over.