Londonderry is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

(CDP) within the

town A town is a type of a human settlement, generally larger than a village but smaller than a city. The criteria for distinguishing a town vary globally, often depending on factors such as population size, economic character, administrative stat ...

of Londonderry in Rockingham County,

New Hampshire New Hampshire ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...

, United States. The population of the CDP was 11,645 at the 2020 census, out of 25,826 in the entire town.

Geography

The CDP occupies the more intensively developed eastern and southern parts of the town of Londonderry, including the east half of the historic town center near the top of Moose Hill. The CDP includes the Londonderry town offices (east side of Mammoth Road) but not the Londonderry High School and Middle School complexes (west side of Mammoth Road). The CDP is bordered to the east by the town of

Derry Derry, officially Londonderry, is the second-largest City status in the United Kingdom, city in Northern Ireland, and the fifth-largest on the island of Ireland. Located in County Londonderry, the city now covers both banks of the River Fo ...

, to the southeast by the town of Windham, and to the southwest by the town of

Hudson Hudson may refer to: People * Hudson (given name) * Hudson (surname) * Hudson (footballer, born 1986), Hudson Fernando Tobias de Carvalho, Brazilian football right-back * Hudson (footballer, born 1988), Hudson Rodrigues dos Santos, Brazilian f ...

. From the Hudson town line, the CDP boundary follows

New Hampshire Route 102 New Hampshire Route 102 (abbreviated NH 102) is a state highway in Rockingham and Hillsborough counties in the southern part of the U.S. state of New Hampshire. NH 102 runs southwest to northeast between Hudson and Raymond, but is signed as ...

(Nashua Road),

New Hampshire Route 128 New Hampshire Route 128 (abbreviated NH 128) is a north–south highway in southeastern New Hampshire. NH 128 runs from the Massachusetts border in Pelham northward to Londonderry, south of Manchester. NH 128 is named Mammoth Road throughout ...

(

Mammoth Road Mammoth Road is a north–south road in Massachusetts and New Hampshire. The road runs from its origin in Lowell, Massachusetts to its northern end in Hooksett, New Hampshire, a suburb of Manchester. The total length of the road is . It was ...

), Stonehenge Road,

Interstate 93 Interstate 93 (I-93) is an Interstate Highway in the New England states of Massachusetts, New Hampshire, and Vermont in the United States. Spanning approximately along a north–south axis, it is one of three primary Interstate Highways ...

, and Ash Street to the Derry town line. New Hampshire Route 102 crosses the CDP, leading northeast to the center of Derry and southwest to

. Route 128 leads north to

New Hampshire Route 28 New Hampshire Route 28 is an north–south state highway in eastern New Hampshire. It connects the town of Ossipee, New Hampshire, Ossipee in east-central New Hampshire with Salem, New Hampshire, Salem on the Massachusetts border, while passing ...

in North Londonderry and south to

Lowell, Massachusetts Lowell () is a city in Massachusetts, United States. Alongside Cambridge, Massachusetts, Cambridge, it is one of two traditional county seat, seats of Middlesex County, Massachusetts, Middlesex County. With an estimated population of 115,554 in ...

Manchester Manchester () is a city and the metropolitan borough of Greater Manchester, England. It had an estimated population of in . Greater Manchester is the third-most populous metropolitan area in the United Kingdom, with a population of 2.92&nbs ...

is to the north via Routes 128 and 28. According to the

U.S. Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the U.S. federal statistical system, responsible for producing data about the American people and economy. The U.S. Census Bureau is part of the U ...

, the Londonderry CDP has a total area of , of which , or 0.19%, are water. Most of the CDP drains southeast to Beaver Brook, which forms the border with the town of Windham and flows south to the

Merrimack River The Merrimack River (or Merrimac River, an occasional earlier spelling) is a river in the northeastern United States. It rises at the confluence of the Pemigewasset and Winnipesaukee rivers in Franklin, New Hampshire, flows southward into M ...

in Lowell, Massachusetts. The southwestern corner of the CDP drains west via Chase Brook to the Merrimack in Litchfield.

Demographics

As of the census of 2010, there were 11,037 people, 3,958 households, and 3,098 families residing in the CDP. There were 4,105 housing units, of which 147, or 3.6%, were vacant. The racial makeup of the CDP was 95.8%

white White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...

, 0.8%

African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...

, 0.1% Native American, 1.5%

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

n, 0.03% Pacific Islander, 0.5% some other race, and 1.4% from two or more races. 2.5% of the population were

Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...

or Latino of any race. Of the 3,958 households in the CDP, 39.9% had children under the age of 18 living with them, 62.8% were headed by married couples living together, 11.0% had a female householder with no husband present, and 21.7% were non-families. 16.4% of all households were made up of individuals, and 5.5% were someone living alone who was 65 years of age or older. The average household size was 2.79, and the average family size was 3.13. 25.6% of residents in the CDP were under the age of 18, 7.6% were from age 18 to 24, 22.9% were from 25 to 44, 33.6% were from 45 to 64, and 10.3% were 65 years of age or older. The median age was 41.3 years. For every 100 females, there were 96.2 males. For every 100 females age 18 and over, there were 93.0 males. For the period 2011–15, the estimated median annual income for a household was $89,643, and the median income for a family was $97,386. Male full-time workers had a median income of $75,000 versus $43,291 for females. The

per capita income Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. In many countries, per capita income is determined using regular population surveys, such ...

for the CDP was $38,835. 3.6% of the population and 2.0% of families were below the poverty line, along with 5.4% of people under the age of 18 and 2.8% of people 65 or older.

References

{{authority control Census-designated places in New Hampshire Census-designated places in Rockingham County, New Hampshire