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ZIP Code 03257
New London, NH, Merrimack County
Population
4,484
Land area
23.6sq mi
People per sq mi
190
City
New London
ZIP 03257 and nearby ZIP codes
ZIP 03257 at a glance
- Households here earn a median of $107,000 a year, 8% more than the New Hampshire figure of $99,031.
- A typical owner-occupied home is valued at $559,000 (39% above New Hampshire) and median rent is $1,594 a month.
Local data for ZIP 03257
Counts from official public data
Housing and community stats
ZIP 03257, American Community Survey 2020-2024
Median household income
$107,000
Poverty rate
0.9%
Median home value
$559,000
Prices -6.9% in a year
Median rent
$1,594/mo
Homeownership
90.6%
Bachelor's or higher
64.7%
Median age
50.9
Average commute
24.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
177
ZIP Business Patterns 2023
Employees
2,362
$126M annual payroll
PPP loans
$20.4M
227 loans
Campaign donations
$284K
49% D, 19% R, 2026 cycle
Environment and hazard risk
ZIP 03257, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: ice storm
Storm events since 1996
727
Countywide, mostly thunderstorm wind
Flood insurance policies
333
0.8% of homes, county
July high / Jan low
79° / 13°F
48.5 inches of rain a year
Health statistics
Share of adults in ZIP 03257, CDC PLACES estimates
Obesity
27.5%
U.S. 33.3% -5.8 pts
Diabetes
8.4%
U.S. 12.1% -3.7 pts
Smoking
5.9%
U.S. 12.8% -6.9 pts
Uninsured (18-64)
4.1%
U.S. 11.1% -7.0 pts
Frequently asked questions
- What city is ZIP code 03257?
- ZIP code 03257 is in New London, NH (Merrimack County).
- What county is ZIP code 03257 in?
- ZIP code 03257 is mostly in Merrimack County, New Hampshire.
- How many people live in ZIP code 03257?
- About 4,484 people live in the 03257 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.