Henniker is a town in Merrimack County, New Hampshire, United States. As of the 2010 census, the town had a total population of 4,836. Henniker is home to New England College and Pats Peak Ski Area. Henniker is a college town and resort area, featuring both skiing and white-water kayaking.
According to the United States Census Bureau, the town has a total area of 116.1 square kilometres (44.8 sq mi), of which 114.3 square kilometres (44.1 sq mi) is land and 1.8 square kilometres (0.69 sq mi) is water, comprising 1.52% of the town. The village of Henniker, or census-designated place (CDP), has a total area of 3.6 square kilometres (1.4 sq mi), all land.
Craney Hill, elevation 1,402 feet (427 m) above sea level and home of Pat’s Peak ski area, is in the south. The highest point in Henniker is an unnamed summit near the town’s northwest corner, with an elevation of 1,552 ft (473 m). Henniker is drained by the Contoocook River and Amey Brook; the town lies fully within the Merrimack River watershed.
Henniker is crossed by U.S. Route 202, and state routes 9 and 114.
As of the census of 2010, there were 4,836 people, 1,780 households, and 1,124 families residing in the town. There were 1,928 housing units, of which 148, or 7.7%, were vacant. The racial makeup of the town was 95.7% white, 1.2% African American, 0.4% Native American, 1.1% Asian, 0.0% Native Hawaiian or Pacific Islander, 0.5% some other race, and 1.1% from two or more races. 1.7% of the population were Hispanic or Latino of any race.
Of the 1,780 households, 30.3% had children under the age of 18 living with them, 49.2% were headed by married couples living together, 9.5% had a female householder with no husband present, and 36.9% were non-families. 26.3% of all households were made up of individuals, and 7.1% were someone living alone who was 65 years of age or older. The average household size was 2.41, and the average family size was 2.91. 541 residents, or 11.3% of the population, lived in group quarters rather than households.
In the town, 19.1% of the population were under the age of 18, 21.3% were from 18 to 24, 20.1% from 25 to 44, 30.5% from 45 to 64, and 9.0% were 65 years of age or older. The median age was 35.2 years. For every 100 females, there were 102.0 males. For every 100 females age 18 and over, there were 99.5 males.
For the period 2011-2015, the estimated median annual income for a household was $67,197, and the median income for a family was $80,845. Male full-time workers had a median income of $67,755 versus $49,677 for females. The per capita income for the town was $28,377. 10.3% of the population and 3.3% of families were below the poverty line. 12.8% of the population under the age of 18 and 5.5% of those 65 or older were living in poverty.