Londonderry, NH Profile: Facts & Data

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Londonderry, New Hampshire - Basic Facts

The Londonderry CDP(1) had a population of 12,225 as of 2020-2024 American Community Survey 5-Year Estimates. Londonderry ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New Hampshire. See peer rankings below.

The primary coordinate point for Londonderry is located at latitude 42.8651 and longitude -71.374 in Rockingham County. The formal boundaries for the Londonderry Census Designated Place encompass a land area of 12.31 sq. miles and a water area of 0.02 sq. miles. Rockingham County is in the Eastern time zone (GMT -5).

The Londonderry Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Londonderry Census Designated Place is located within Town of Londonderry, a minor civil division (MCD) of Rockingham County.


  1. A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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  1. Londonderry Demographic Data
  2. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New Hampshire Research Tools (Easy Tools & Current Data)
  3. New Hampshire Data Comparison Tool
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Londonderry, NH Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION

Total Population 12,225 (100%)
Population Density 1,000 per sq mi
Diversity Index1 16
 
 

INCOME

Median Household Income $119,571
Per Capita Income $52,611
Median Home Value $469,500
 

HOUSING

Total HU (Housing Units) 4,678 (100%)
Owner Occupied HU 3,791 (81.0%)
Renter Occupied HU 733 (15.7%)
Vacant Housing Units 154 (3.3%)
 

HOUSEHOLDS

Total Households 4,524
Average Household Size 2.69
Family Households 3,193 (70.6%)
NOTES
  1. The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Londonderry, NH - Peer Comparisons by Rank and Percentile

The table below compares Londonderry to the other 100 incorporated cities, towns and CDPs in New Hampshire by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 12 89th
Population Density # 26 75th
Median Household Income # 11 90th
Per Capita Income # 28 73rd
Diversity Index # 48 53rd

Additional comparisons and rankings can be made with a VERY EASY TO USE New Hampshire Census Data Comparison Tool.

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