Strafford is a town in Strafford County, New Hampshire, United States. The population was 3,991 at the 2010 census. The two main settlements in town are Center Strafford and Bow Lake Village.
According to the United States Census Bureau, the town has a total area of 51.4 square miles (133 km), of which 49.2 sq mi (127 km) is land and 2.2 sq mi (5.7 km) is water, comprising 4.38% of the town. Bow Lake, popular with fishermen, covers 1,160 acres (470 ha). Strafford is drained by the Isinglass, Big, and Berrys rivers.
The Blue Hills Range divides the town in half, running southwest to northeast. Parker Mountain, the highest point in the range and in Strafford, rises to 1,420 feet (430 m) above sea level.
As of the census of 2000, there were 3,626 people, 1,281 households, and 1,022 families residing in the town. The population density was 73.7 people per square mile (28.5/km²). There were 1,564 housing units at an average density of 31.8 per square mile (12.3/km²). The racial makeup of the town was 98.48% White, 0.14% African American, 0.14% Native American, 0.25% Asian, 0.06% from other races, and 0.94% from two or more races. Hispanic or Latino of any race were 0.63% of the population.
There were 1,281 households out of which 43.2% had children under the age of 18 living with them, 68.5% were married couples living together, 8.2% had a female householder with no husband present, and 20.2% were non-families. 15.1% of all households were made up of individuals and 4.4% had someone living alone who was 65 years of age or older. The average household size was 2.82 and the average family size was 3.14.
In the town, the population was spread out with 30.0% under the age of 18, 4.8% from 18 to 24, 32.1% from 25 to 44, 25.4% from 45 to 64, and 7.7% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 100.1 males. For every 100 females age 18 and over, there were 95.1 males.
The median income for a household in the town was $59,044, and the median income for a family was $62,238. Males had a median income of $40,423 versus $30,524 for females. The per capita income for the town was $23,500. About 1.0% of families and 1.9% of the population were below the poverty line, including 1.5% of those under age 18 and 5.4% of those age 65 or over.