Derry is a town in Rockingham County, New Hampshire, United States. The population was 33,109 at the 2010 census, and an estimated 33,667 in 2018. Although it is a town and not a city, Derry is the fourth most populous community in the state. The town’s nickname, “Spacetown”, derives from the fact that Derry is the birthplace of Alan Shepard, the first astronaut from the United States in space. Derry was also for a time the home of the poet Robert Frost and his family.
According to the United States Census Bureau, the town has a total area of 36.5 square miles (94.5 km), of which 35.6 square miles (92.2 km) are land and 0.9 square miles (2.3 km) are water, comprising 2.39% of the town. Derry is drained by Beaver Brook. The highest point in the town is Warner Hill, at 605 feet (184 m) above sea level, where from the top one can see the Boston skyline on a clear day. Derry lies almost fully within the Merrimack River watershed, with a small section along the northern border of town lying in the Piscataqua River watershed.
Derry is crossed by Interstate 93 and New Hampshire routes 28, 28 Bypass, and 102.
The urban center of the town is located near the town’s western border at the intersection of Routes 102 and 28, and the village of East Derry is located approximately 2 miles (3 km) to the east and close to the geographic center of the town. Both settlements are part of the Derry census-designated place.
As of the census of 2010, there were 33,109 people, 12,537 households, and 8,767 families residing in the town. The population density was 924.8 people per square mile (357.2/km²). There were 13,277 housing units at an average density of 143.2/km² (370.9/sq mi). The racial makeup of the town was 94.5% White, 1.0% African American, 0.2% American Indian and Alaska Native, 1.5% Asian, 0.0% Pacific Islander, 0.9% some other race, and 1.7% from two or more races. 3.3% of the population were Hispanic or Latino of any race.
There were 12,537 households, out of which 35.0% had children under the age of 18 living with them, 52.4% had a married couple living together, 12.2% had a woman whose husband does not live with her, and 30.1% were non-families. 23.0% of all households were made up of individuals and 6.4% had someone living alone who was 65 years of age or older. The average household size was 2.62, and the average family size was 3.10.
In the town, the population was spread out with 24.7% under the age of 18, 9.3% from 18 to 24, 27.0% from 25 to 44, 30.4% from 45 to 64, and 8.7% who were 65 years of age or older. The median age was 38.2 years. For every 100 females, there were 98.6 males. For every 100 females age 18 and over, there were 95.9 males.
At the 2000 census the median income for a household in the town was $54,634, and the median income for a family was $61,625. Males had a median income of $41,271 versus $30,108 for females. The per capita income for the town was $22,315. 4.6% of the population and 3.3% of families were below the poverty line. Out of the total people living in poverty, 5.0% were under the age of 18 and 7.1% were 65 or older.
Derry New Hampshire neighborhoods include: Ballard / Dubeau, Beaver Lake, Cole Rd, Derry Importance, Drewwoods, East Derry, E Derry Road, English Range Road, Goodhue-Oxbow, Harvest Estates, Hillside Estates, Kilrea, Lawrence rd, Meadowbrook, Montgomery Farm, Overledge Drive, Parkland Dr, Pinkerton Way, Rainbow Lake, Sheldon, South Range