Pembroke is a town in Merrimack County, New Hampshire, United States. The population was 7,115 at the 2010 census. Pembroke includes part of the village of Suncook. The center of population of New Hampshire is located in Pembroke.
According to the United States Census Bureau, the town has a total area of 23.0 square miles (59.6 km), of which 22.8 sq mi (59.1 km) is land and 0.2 sq mi (0.5 km) is water, comprising 0.70% of the town. Pembroke is drained by the Suncook, Soucook and Merrimack rivers. The highest point in town, Plausawa Hill, elevation 1,000 feet (305 m) above sea level, is in the north.
As of the census of 2000, there were 6,897 people, 2,661 households, and 1,876 families residing in the town. The population density was 302.1 people per square mile (116.6/km²). There were 2,734 housing units at an average density of 119.8 per square mile (46.2/km²). The racial makeup of the town was 97.84% White, 0.38% African American, 0.26% Native American, 0.38% Asian, 0.03% from other races, and 1.12% from two or more races. Hispanic or Latino of any race were 0.43% of the population.
There were 2,661 households out of which 37.3% had children under the age of 18 living with them, 55.7% were married couples living together, 10.4% had a female householder with no husband present, and 29.5% were non-families. 23.0% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.06.
In the town, the population was spread out with 26.9% under the age of 18, 6.9% from 18 to 24, 33.1% from 25 to 44, 23.1% from 45 to 64, and 9.9% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 98.3 males. For every 100 females age 18 and over, there were 94.5 males.
The median income for a household in the town was $49,494, and the median income for a family was $57,106. Males had a median income of $37,786 versus $26,781 for females. The per capita income for the town was $20,800. About 3.0% of families and 5.4% of the population were below the poverty line, including 3.2% of those under age 18 and 10.9% of those age 65 or over.