Census-designated place · New Hampshire
New London CDP, New Hampshire
New London CDP, census-designated place, in Merrimack County, New Hampshire. New London CDP had 1,266 residents in the 2020 Census, a full count; the ACS 2020-2024 5-year estimates put it at 1,278 (±139). GEOID 3352020.
Residents, 2020 Census
1,266
Census count or controlled total
ACS 2020-2024 estimate: 1,278 ±139
Median household income
not published
New Hampshire: $99,031
Median home value
$481,000
±$122,851 (90% margin)
New Hampshire: $402,500
Median gross rent
$1,520
±$659 (90% margin)
New Hampshire: $1,491
Where is New London CDP and what county is it in?
New London CDP is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Merrimack County, New Hampshire. It covers 1.1 square miles of land, 1,140 residents per square mile in 2020.
New London CDP is in the Concord, NH micropolitan statistical area (Census Bureau delineation, July 2023).
New London CDP lies entirely within New London, a town with its own local government (2020 census blocks).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in New London CDP, and is it growing?
The 2020 Census counted 1,266 residents in New London CDP, a full count rather than a sample. The 2020-2024 American Community Survey, a sample, estimates 1,278 (±139).
The Census Bureau publishes yearly population estimates for incorporated places only; New London CDP is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | New London CDP | Merrimack County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 1,278 ±139 | 155,967 | no clear change |
| Households | 217 ±62 | 60,901 | no clear change |
| Average household size | 2.35 ±0.36 | 2.46 | no clear change |
| Housing units | 274 ±70 | 66,497 | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in New London CDP?
The median resident of New London CDP is 21.5 years old; 9.9% are under 18 and 13.8% are 65 or older. The largest group is non-Hispanic white residents at 85.5%, then non-Hispanic Asian residents at 5.2%.
| Measure | New London CDP | Merrimack County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 21.5 ±0.4 | 42.9 | no clear change |
| Under 18 years | 9.9% ±2.7 pts | 18.4% | – |
| 65 years and over | 13.8% ±4.5 pts | 19.9% | – |
| Male | 48.8% ±7.6 pts | 49.8% | – |
| Hispanic or Latino (any race) | 3.4% ±2.7 pts | 2.7% | – |
| White alone, not Hispanic | 85.5% ±7.2 pts | 90.1% | no clear change |
| Black or African American alone, not Hispanic | 3.1% ±2.2 pts | 1.6% | – |
| Asian alone, not Hispanic | 5.2% ±5.7 pts | 1.5% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±2.7 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±2.7 pts | 0.1% | – |
| Two or more races, not Hispanic | 2.8% ±3.3 pts | 3.6% | – |
| Some other race alone, not Hispanic | 0.0% ±2.7 pts | 0.4% | – |
| Born outside the United States | 2.5% ±2.9 pts | 4.4% | – |
| Speak a language other than English at home (age 5+) | 5.5% ±3.5 pts | 5.3% | – |
| Civilian veterans (age 18+) | 6.5% ±4.2 pts | 8.1% | – |
| With a disability | 12.6% ±5.3 pts | 14.7% | – |
| No health insurance coverage | 0.9% ±1.3 pts | 5.1% | – |
| High school graduate or higher (age 25+) | 100.0% ±7.7 pts | 94.5% | – |
| Bachelor's degree or higher (age 25+) | 50.3% ±14.3 pts | 38.9% | no clear change |
| Graduate or professional degree (age 25+) | 26.5% ±10.8 pts | 16.2% | – |
| Lived in the same house a year earlier | 79.6% ±8.2 pts | 90.1% | – |
| Moved from another state in the past year | 9.1% ±5.1 pts | 2.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in New London CDP earn?
The Census Bureau does not publish a median household income for New London CDP: too few households were sampled.
| Measure | New London CDP | Merrimack County | Change since 2015-2019 |
|---|---|---|---|
| Mean household income | $103,541 ±$26,780 | $123,673 | – |
| Per capita income | $23,413 ±$6,268 | $49,044 | no clear change |
| People below the poverty line | 6.5% ±4.5 pts | 7.6% | – |
| Children under 18 below the poverty line | 0.0% ±23.9 pts | 7.7% | – |
| Households receiving SNAP | 0.0% ±14.9 pts | 7.0% | – |
| Households with a computer | 90.3% ±10.9 pts | 96.1% | – |
| Households with a broadband subscription | 90.3% ±10.9 pts | 92.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in New London CDP?
Owners occupy 54.4% of New London CDP's occupied homes and renters 45.6%. The median owner-occupied home is valued at $481,000 by its owner (±$122,851). The median renter pays $1,520 a month including utilities, and 51.5% of renters pay 35% or more of their income on rent.
| Measure | New London CDP | Merrimack County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $481,000 ±$122,851 | $367,600 | +$144,898 |
| Median gross rent | $1,520 ±$659 | $1,360 | no clear change |
| Renters paying 35% or more of income on rent | 51.5% ±26.1 pts | 36.6% | – |
| Median monthly owner costs, with a mortgage | $2,371 ±$488 | $2,324 | – |
| Owner-occupied homes | 54.4% ±16.5 pts | 73.5% | no clear change |
| Renter-occupied homes | 45.6% ±16.5 pts | 26.5% | – |
| Housing units | 274 ±70 | 66,497 | no clear change |
| Homeowner vacancy rate | 0.0% ±25.2 pts | 0.2% | – |
| Rental vacancy rate | 15.4% ±20.6 pts | 4.5% | – |
| Single-family detached homes | 58.8% ±17.3 pts | 63.1% | – |
| Mobile homes | 0.0% ±12.0 pts | 6.8% | – |
| Built 2020 or later | 0.0% ±12.0 pts | 1.2% | – |
| Built 2010 to 2019 | 13.5% ±12.3 pts | 6.5% | – |
| Built 1939 or earlier | 31.4% ±14.9 pts | 24.3% | – |
| Households with no vehicle | 17.1% ±14.9 pts | 4.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in New London CDP work and get to work?
50.1% of New London CDP's workers drive alone. The average trip to work takes 25.4 minutes.
| Measure | New London CDP | Merrimack County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 37.8% ±9.1 pts | 64.5% | – |
| Unemployment rate | 6.9% ±7.2 pts | 3.1% | – |
| Drove alone to work | 50.1% ±14.9 pts | 73.1% | – |
| Carpooled | 9.3% ±7.8 pts | 8.2% | – |
| Public transportation | 0.0% ±8.4 pts | 0.2% | – |
| Walked | 29.5% ±12.7 pts | 2.8% | – |
| Worked from home | 7.1% ±7.2 pts | 14.4% | – |
| Mean travel time to work | 25.4 min ±10.6 | 26.6 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in New London CDP?
No census tract lies mostly in New London CDP; 1 tract reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 410.02Merrimack County | 2,460 | $116,950 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in New London CDP) · Census block assignment files
How does New London CDP compare with other places in New Hampshire?
New London CDP is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 218th | 241 |
| Residents per square mile | 22nd | 241 |
| Per capita income | 240th | 240 |
| Median home value | 45th | 239 |
| Median gross rent | 72nd | 221 |
| Bachelor's degree or higher | 46th | 239 |
| Median age | 237th | 239 |
| Owner-occupied share | 220th | 241 |
| Travel time to work | 154th | 241 |
New London CDP's figures with every place in New Hampshire (CSV)
Every place in New Hampshire, sortable · Compare New London CDP with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for New London CDP?
22 of the 56 figures for New London CDP on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for New London CDP are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.