Skip to main content

03257 ZIP Code

New London, New hampshire

December 26, 2025
ZIP Code:03257
City/Town:New London
County:Merrimack
State:New hampshire
ZIP Type:Standard
Population:4,381
Median Household Income:$84,891
Per Capita Income:$40,990
Total Housing Units:2,442
Median Home Value:$455,200
Land Area:23.6 sq miles
61.0 sq km
Water Area:3.1 sq miles
8.0 sq km
Coordinates:43.4177, -71.9906

Population Information (03257 zip code)

#%US
Total Population:4,381----
Male:1,92243.9%49.6%
Female:2,45956.1%50.4%
Median Age:50.7 yrs--38.5 yrs
Under 5 years:1643.7%5.7%
5 to 9 years:2114.8%6.0%
10 to 14 years:1232.8%6.5%
15 to 19 years:4019.2%6.6%
20 to 24 years:53312.2%6.7%
25 to 34 years:3006.8%13.7%
35 to 44 years:3036.9%12.9%
45 to 54 years:3237.4%12.4%
55 to 59 years:1633.7%6.5%
60 to 64 years:3287.5%6.4%
65 to 74 years:66415.2%9.7%
75 to 84 years:59113.5%4.8%
85 years and over:2776.3%2.0%

Housing Information (03257 zip code)

#%US
Median home value:$455,200--$281,900
Median rooms:6.5--5.5
Median rent:$1,387 / mo.--$1,268 / mo.
Total housing units:2,442----
Occupied housing units:1,63066.7%38.0%
Vacant housing units:81233.3%4.6%
Housing tenure:------
Owner-occupied:1,47690.6%64.8%
Renter-occupied:1549.4%35.2%

Educational Attainment (03257 zip code)

#%US
Population 25 years and over:2,949----
Less than 9th grade:90.3%4.7%
9th to 12th grade, no diploma:160.5%6.1%
High school graduate:31010.5%26.4%
Some college, no degree:33811.5%19.7%
Associate degree:45615.5%8.7%
Bachelor's degree:1,00834.2%20.9%
Graduate or professional degree:81227.5%13.7%
Percent high school graduate or higher:--99.2%89.1%
Percent bachelor's degree or higher:--61.7%34.3%

Income Information (03257 zip code)

ValueUS
Median household income:$84,891 / yr.$75,149 / yr.
Mean household income:$133,762 / yr.$105,833 / yr.
Median family income:$134,722 / yr.$92,646 / yr.
Per capita income:$40,990 / yr.$41,261 / yr.

Employment (03257 zip code)

#%US
In labor force:1,554--63.5%
Employed:1,49897.5%96.4%
Unemployed:382.5%5.3%
Not in labor force:2,309----
Class of Worker:------
Private wage and salary:1,16677.8%79.7%
Government workers:16511.0%14.2%
Self-employed:16711.1%5.9%
Unpaid family workers:00.0%0.1%

Race & Ethnicity (03257 zip code)

#%US
Race (one race):------
White:4,10293.6%61.6%
Black or African American:431.0%12.4%
American Indian/Alaska Native:00.0%1.1%
Asian:180.4%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:00.0%8.4%
Two or more races:2185.0%10.2%
Hispanic or Latino (any race):1563.6%18.7%
Mexican:942.1%11.2%
Puerto Rican:00.0%1.8%
Cuban:260.6%0.7%
Other Hispanic or Latino:00.0%5.0%
Not Hispanic or Latino:681.6%81.1%

Income Distribution (03257 zip code)

Household IncomeHouseholds%US
Less than $10,000:372.3%4.9%
$10,000 to $14,999:654.0%3.8%
$15,000 to $24,999:1046.4%7.0%
$25,000 to $34,999:1267.7%7.4%
$35,000 to $49,999:1086.6%10.7%
$50,000 to $74,999:28017.2%16.1%
$75,000 to $99,999:1599.8%12.8%
$100,000 to $149,999:18311.2%17.1%
$150,000 to $199,999:18211.2%8.8%
$200,000 or more:38623.7%11.4%

Commute to Work (03257 zip code)

Commute MethodWorkers%US
Drove alone:1,03569.1%67.8%
Carpooled:382.5%8.7%
Public transportation:00.0%4.2%
Walked:583.9%2.5%
Other means:332.2%0.9%
Worked from home:31220.8%13.8%
Mean travel time to work:28.4 min--26.7 min

Industry (03257 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:151.0%1.6%
Construction:714.7%6.9%
Manufacturing:1419.4%10.0%
Wholesale trade:412.7%2.4%
Retail trade:1318.7%11.0%
Transportation, warehousing, utilities:312.1%5.8%
Information:352.3%1.9%
Finance, insurance, real estate:503.3%6.7%
Professional, scientific, management:25316.9%12.1%
Education, health care, social services:50733.8%23.3%
Arts, entertainment, food services:1036.9%9.0%
Other services:473.1%4.7%
Public administration:734.9%4.7%

Poverty Status (03257 zip code)

#%US
Poverty Rate:--3.0%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (03257 zip code)

#%US
With health insurance:4,13594.4%91.3%
Private health insurance:3,51680.3%67.6%
Public health coverage:1,60236.6%35.9%
Without health insurance:1242.8%8.7%

Benefits & Assistance (03257 zip code)

Households with:#%US
Earnings:89855.1%77.4%
Social Security income:92356.6%31.0%
Retirement income:69142.4%21.8%
Supplemental Security Income (SSI):352.1%4.5%
Cash public assistance income:271.7%1.8%
SNAP (food stamps) benefits:281.7%11.4%

Housing Types (03257 zip code)

Structure TypeUnits%US
1-unit, detached:1,92578.8%61.4%
1-unit, attached:1646.7%6.1%
2 units:492.0%3.4%
3 or 4 units:963.9%4.3%
5 to 9 units:170.7%4.6%
10 to 19 units:00.0%4.3%
20 or more units:1917.8%9.9%
Mobile home:00.0%5.8%
Boat, RV, van, etc.:00.0%0.1%

Year Structure Built (03257 zip code)

Year BuiltUnits%US
Built 2020 or later:00.0%0.6%
Built 2010 to 2019:1134.6%8.2%
Built 2000 to 2009:28611.7%13.5%
Built 1990 to 1999:30612.5%13.2%
Built 1980 to 1989:51421.0%13.2%
Built 1970 to 1979:28911.8%14.6%
Built 1960 to 1969:2329.5%10.2%
Built 1950 to 1959:984.0%9.9%
Built 1940 to 1949:1496.1%4.6%
Built 1939 or earlier:45518.6%12.0%

Bedrooms (03257 zip code)

Number of BedroomsUnits%US
No bedroom (studio):512.1%2.4%
1 bedroom:1576.4%3.0%
2 bedrooms:53121.7%9.1%
3 bedrooms:1,02441.9%15.9%
4 bedrooms:49220.1%18.8%
5 or more bedrooms:1877.7%17.6%

Heating Fuel (03257 zip code)

Fuel TypeUnits%US
Utility gas:674.1%47.1%
Bottled, tank, or LP gas:55333.9%4.9%
Electricity:905.5%40.2%
Fuel oil, kerosene, etc.:74645.8%4.2%
Coal or coke:00.0%0.1%
Wood:1428.7%1.5%
Solar energy:00.0%0.1%
Other fuel:322.0%0.5%
No fuel used:00.0%0.2%

Vehicles Available (03257 zip code)

VehiclesHouseholds%US
No vehicle available:1217.4%8.3%
1 vehicle available:57435.2%32.6%
2 vehicles available:59936.7%37.0%
3 or more vehicles available:33620.6%22.1%

Home Value Distribution (03257 zip code)

Value RangeOwner Units%US
Less than $50,000:201.4%5.7%
$50,000 to $99,999:191.3%7.8%
$100,000 to $149,999:422.8%9.2%
$150,000 to $199,999:241.6%10.8%
$200,000 to $299,999:33322.6%19.9%
$300,000 to $499,999:39526.8%24.1%
$500,000 to $999,999:52135.3%17.0%
$1,000,000 or more:1228.3%5.6%

Housing Costs (03257 zip code)

ValueUS
Median owner costs (with mortgage):$2,468 / mo.$1,828 / mo.
Median owner costs (no mortgage):$1,195 / mo.$584 / mo.
Median gross rent:$1,387 / mo.$1,268 / mo.
Average household size (owner-occupied):2.172.53
Average household size (renter-occupied):1.942.38

Households (03257 zip code)

#%US
Total households:1,630----
Married-couple households:95458.5%47.5%
Cohabiting couple households:27116.6%7.0%
Male householder, no spouse:18311.2%5.4%
Female householder, no spouse:41625.5%12.7%
Householder living alone:31719.4%28.6%
65 years and over living alone:1,02863.1%11.8%
Average household size:2.15--2.53
Average family size:2.69----

Marital Status (03257 zip code)

Population 15 years and over#%US
Total:1,651----
Never married:50730.7%37.0%
Now married:95657.9%49.5%
Separated:814.9%1.5%
Widowed:1036.2%2.6%
Divorced:77446.9%9.3%

School Enrollment (03257 zip code)

Population 3 years and over#%US
Enrolled in school:1,413----
Nursery school, preschool:765.4%5.8%
Kindergarten:271.9%5.0%
Elementary school (grades 1-8):23616.7%40.5%
High school (grades 9-12):15811.2%21.4%
College or graduate school:91664.8%27.3%

Veterans & Disability (03257 zip code)

#%US
Civilian population 18 years and over:3,804----
Veterans:3098.1%6.3%
Civilian noninstitutionalized population:4,259----
With a disability:51712.1%13.4%
Under 18 with disability:00.0%5.8%
18 to 64 with disability:13826.7%10.4%
65 and over with disability:37973.3%33.4%

Mobility (Residence 1 Year Ago) (03257 zip code)

Population 1 year and over#%US
Same house:3,78186.3%86.9%
Different house:58713.4%13.1%
Same county:9015.3%7.0%
Different county:49183.6%3.2%
Different state:28648.7%2.5%
Abroad:61.0%0.4%

Place of Birth (03257 zip code)

#%US
Native born:4,17995.4%86.2%
Foreign born:260.6%13.9%
Naturalized citizen:202776.9%52.7%
Not a citizen:202776.9%47.3%
Foreign-born by region:------
Europe:202776.9%10.5%
Asia:68261.5%31.3%
Africa:45173.1%5.5%
Oceania:1246.2%0.5%
Latin America:56215.4%50.0%
Northern America:934.6%2.2%

Language Spoken at Home (03257 zip code)

Population 5 years and over#%US
Total:4,217----
English only:4,07396.6%78.3%
Language other than English:1443.4%21.5%
By language:------
Spanish:501.2%13.3%
Other Indo-European languages:912.2%3.5%
Asian/Pacific Island languages:30.1%3.5%
Other languages:00.0%1.0%

Computers & Internet (03257 zip code)

Households%US
Households with a computer:1,630100.0%93.1%
Households with broadband internet:1,49591.7%89.4%