Boscawen is a town in Merrimack County, New Hampshire, United States. The population was 3,965 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 25.4 square miles (65.7 km), of which 24.7 square miles (63.9 km) are land and 0.69 square miles (1.8 km) are water, comprising 2.71% of the town. The highest point in Boscawen is an unnamed summit at Raleigh Farm near the town’s northern border, where the elevation reaches approximately 930 feet (280 m) above sea level. Boscawen lies fully within the Merrimack River watershed. It is drained by the Merrimack River and Contoocook River.
The town is served by U.S. Route 3 and U.S. Route 4.
As of the census of 2000, there were 3,672 people, 1,260 households, and 913 families residing in the town. The population density was 148.5 people per square mile (57.3/km²). There were 1,295 housing units at an average density of 52.4 per square mile (20.2/km²). The racial makeup of the town was 97.74% White, 0.57% African American, 0.30% Native American, 0.46% Asian, 0.16% from other races, and 0.76% from two or more races. Hispanic or Latino of any race were 0.82% of the population.
There were 1,260 households out of which 35.1% had children under the age of 18 living with them, 55.0% were married couples living together, 12.7% had a female householder with no husband present, and 27.5% were non-families. 21.3% of all households were made up of individuals and 7.9% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 2.97.
In the town, the population was spread out with 22.9% under the age of 18, 7.7% from 18 to 24, 29.2% from 25 to 44, 21.7% from 45 to 64, and 18.5% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 92.2 males. For every 100 females age 18 and over, there were 89.4 males.
The median income for a household in the town was $42,524, and the median income for a family was $45,850. Males had a median income of $31,350 versus $23,375 for females. The per capita income for the town was $18,732. About 5.4% of families and 7.5% of the population were below the poverty line, including 9.8% of those under age 18 and 10.7% of those age 65 or over.
Elektrisola Incorporated is the largest source of employment for Boscawen-area residents.
Boscawen New Hampshire neighborhoods include: High St/Battle St, One Riverside Place, Queen St