Londonderry, New Hampshire Population 2021

11,841
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Londonderry is a city located in Rockingham County New Hampshire. Londonderry has a 2020 population of 11,841. Londonderry is currently declining at a rate of 0.00% annually and its population has increased by 7.28% since the most recent census, which recorded a population of 11,037 in 2010. Londonderry reached it's highest population of in .

The average household income in Londonderry is $109,026 with a poverty rate of 3.00%. The median rental costs in recent years comes to $1,459 per month, and the median house value is $310,200. The median age in Londonderry is 42.7 years, 40.5 years for males, and 45.1 years for females.

Londonderry Demographics

According to the most recent ACS, the racial composition of Londonderrywas:

  • White: 95.77%
  • Black or African American: 1.73%
  • Two or more races: 1.11%
  • Other race: 0.61%
  • Asian: 0.57%
  • Native Hawaiian or Pacific Islander: 0.22%
  • Native American: 0.00%
The current population of Londonderry, New Hampshire is 11,841 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 11,841.The last official US Census in 2010 recorded the population at 11,037.

Londonderry, New Hampshire Population 2021

Population by Race

Race Population Percentage
White11,34095.77%
Black or African American2051.73%
Two or More Races1311.11%
Some Other Race720.61%
Asian670.57%
Native Hawaiian and Other Pacific Islander260.22%
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Londonderry Population by Race

Londonderry Population Pyramid $2021

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Londonderry Median Age

42.7


Total

40.5


Male

45.1


Female

Londonderry Adults

There are 9,247 adults, (1,750 of whom are seniors) in Londonderry.

Londonderry Age Dependency

57.9

Age Dependency Ratio

23.3

Old Age Dependency Ratio

34.6

Child Dependency Ratio

Londonderry Sex Ratio

Female

6,134

51.80%

Male

5,707

48.20%

Londonderry Population by Age

Londonderry Renter vs Owner Occupied by Household Type

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Londonderry Household Types

Type Owner Renter
Female58.6%41.4%
Male60.7%39.3%
Non Family74.8%25.2%
All79.2%20.8%
Married87.5%12.5%

79.2%

Rate of Home Ownership

Londonderry Households and Families

Type Count Average Size Owned
All4,4272.6779.2
Married2,5613.1587.5
Non Family1,0031.1974.8
Female5583.1158.6
Male3052.860.7

2.95

Average Family Size

2.67

Average Household Size

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Londonderry Households by Type

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Education Attained Count Percentage
Less Than 9th Grade390.47%
9th to 12th Grade3354.04%
High School Graduate1,88222.69%
Some College1,89122.80%
Associates Degree7959.58%
Bachelors Degree2,04824.69%
Graduate Degree1,30515.73%
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Londonderry Educational Attainment by Sex (over 25)

Londonderry Educational Attainment by Race

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Race Total High School Bachelors
White7,7867,4243,094
Hispanic221221104
Black18417281
Other Race727216
Asian545439
2+ Races38389
Islander262626

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 100.00%.

Londonderry Educational Attainment by Race

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Name Average Male Female
Overall$50,847$69,483$42,576
Less Than 9th Grade$42,222$39,583$
High School Graduate$42,157$46,445$38,156
Some College$41,932$75,109$28,173
Bachelors Degree$66,495$94,053$62,250
Graduate Degree$68,542$92,500$52,143

$50,847

Average Earnings

$69,483

Average Male

$42,576

Average Female

Londonderry Earnings by Educational Attainment

Londonderry Language by Age

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Londonderry Language

93.47% of Londonderry residents speak only English, while 6.53% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.00% of the population.

Londonderry Language

Londonderry Poverty by Race

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Name Total In Poverty Poverty Rate
White11,0782121.91%
Hispanic33311634.83%
Islander2626100.00%

3.00%

Overall Poverty Rate

2.66%

Male Poverty Rate

3.32%

Female Poverty Rate

Poverty in Londonderry

The race most likely to be in poverty in Londonderry is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Londonderry is White, with 1.91% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 3.13%, and for those that did not work, the poverty rate was 5.99%.

Londonderry Poverty

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Name Poverty
Some College3.05%
High School1.97%
Bachelors or Greater1.76%
Less Than 9th Grade0.00%

Londonderry Poverty Rate by Education

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Rate Poverty
Female Employed1.73%
Male Employed0.27%
Female Unemployed0.00%
Male Unemployed0.00%

Londonderry Poverty Rate by Employment Status and Sex

Londonderry Income by Household Type

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Name Median Mean
Households$97,596$109,026
Families$102,717$117,716
Married Families$127,863-
Non Families$46,116$57,089
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Income by Household Type

Londonderry Marital Status

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Marriage Rates

56.1%

Overall Marriage Rate

60.1%

Male Marriage Rate

52.6%

Female Marriage Rate

Londonderry Married by Age and Sex

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Londonderry Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Londonderry Marital Status by Race

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Londonderry Marital Status

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803

Number of Veterans

771

Male Veterans

32

Female Veterans

War Veterans
Vietnam344
First Gulf War212
Second Gulf War148
Korea48
World War II22

Londonderry Veterans by War

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Age Group Veterans
55 to 64255
75+209
35 to 54169
65 to 74126
18 to 3444

Londonderry Veterans by Age

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Name Veterans % of Total
White7738.74%
Black3016.30%
Hispanic146.33%

Londonderry Veterans by Race

Londonderry Veterans by Education

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1.12%

Veteran Poverty Rate

21.92%

Veteran Disability Rate

Londonderry Veterans by Education

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72.8%

Labor Force Participation

70.5%

Employment Rate

2.9%

Unemployment Rate

Londonderry Employment by Age

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Londonderry Employment by Race

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Londonderry Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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29.83%

Born in Londonderry

95.24%

Native Born

4.76%

Foreign Born

2.36%

Non Citizen

2.41%

Naturalized

Place of Birth

95.24% of Londonderry residents were born in the United States, with 29.83% having been born in New Hampshire. 2.36% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Londonderry Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202111,8410.00%
202011,8410.00%
201911,8413763.28%
201811,4651521.34%
201711,3132642.39%
201611,0493202.98%
201510,729920.86%
201410,637-141-1.31%
201310,778950.89%
201210,683-251-2.30%
201110,934-103-0.93%
201011,0370.00%

Londonderry Population by Year