Londonderry, New Hampshire Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Londonderry, New Hampshire is 12,307 as of the 2023 American Community Survey, making it the 12th-largest city in New Hampshire. The median household income is $113,109, the median home value is $433,100, and the median age is 42.5.
12,307
Population
1007
People / sq mi
$113,109
Median Income
$433,100
Median Home Value
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Londonderry covers 12.2 sq mi of land at 1007 people per square mile.
About Londonderry, NH
Londonderry is distinguished by its share of foreign-born residents, 68.4% of the population. With 12,307 residents, Londonderry is a city in New Hampshire. It ranks #12 among cities in New Hampshire by population.
Median household income is $113,109, above the US median of $78,538. Poverty is among the lowest of comparable US cities, at 2.3% — below the national 12.4%. Homes carry a median value of $433,100, with typical rent around $1,917.
College attainment is above the local norm at 46.1%, above the national 35.0%. About 16.8% of workers primarily work from home, above the national 14.0%, and the average commute runs about 27 minutes each way.
The large foreign-born share is a defining thread in Londonderry, shaping language, household composition, and the labor force behind the economic figures above.
Race & Ethnicity
| White | 94.4% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.2% |
| Two or More Races | 0.2% |
Economy & Income
$113,109
Median Household Income
$50,833
Per Capita Income
2.3%
Poverty Rate
3.2%
Unemployment Rate
Housing
$433,100
Median Home Value
$1,917
Median Rent
83.3%
Owner-Occupied
Education
96.6%
High School+
46.1%
Bachelor's+
Commute
0.3%
Drive Alone
73.0%
Public Transit
16.8%
Work From Home
27.4 min
Avg Commute
Community Profile
68.4%
Foreign Born
94.0%
Non-English at Home
8.6%
Veterans
12.0%
With Disability
94.1%
Health Insurance
96.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 19.5% |
| Finance, Insurance & Real Estate | 13.8% |
| Manufacturing | 12.8% |
| Information | 8.6% |
| Education, Health Care & Social Services | 8.1% |
| Construction | 5.8% |
| Retail Trade | 4.8% |
| Arts, Entertainment & Food Services | 2.9% |
| Public Administration | 2.7% |
| Transportation & Warehousing | 2.1% |
| Agriculture & Mining | 0.3% |
Largest cities in New Hampshire
Largest counties in New Hampshire
Part of New Hampshire
Metro areas in New Hampshire
City rankings
Frequently Asked Questions
Londonderry, New Hampshire has a population of 12,307 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 12th-largest city in New Hampshire.
The median household income in Londonderry, New Hampshire is $113,109, with 2.3% of residents living below the federal poverty level.
The median home value in Londonderry, New Hampshire is $433,100, with median monthly rent at $1,917 and a homeownership rate of 83.3%.
The median age in Londonderry, New Hampshire is 42.5 years. The population is 49.4% male and 50.6% female.
Londonderry Cdp, NH Climate
Londonderry Cdp, NH has an average annual temperature of 8.2°C (47°F) and receives about 1085 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
8.2°C
Avg Temp
1085
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 22° | 85 mm |
| February | -4° / 25° | 78 mm |
| March | 1° / 34° | 85 mm |
| April | 7° / 44° | 92 mm |
| May | 13° / 56° | 92 mm |
| June | 18° / 64° | 86 mm |
| July | 21° / 70° | 88 mm |
| August | 20° / 69° | 90 mm |
| September | 16° / 61° | 86 mm |
| October | 10° / 49° | 95 mm |
| November | 4° / 40° | 113 mm |
| December | -2° / 28° | 95 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Londonderry Cdp, NH
The most comfortable months to visit Londonderry Cdp, NH are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -11°C low). November is usually the wettest month.
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Statewide data for New Hampshire
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.