ZIP Code 03257, New Hampshire
ZIP Code 03257 profile, demographic data, and geographic information.
ZCTA5 03257 is a 5-digit ZIP Code area located in Merrimack County / Sullivan County, New Hampshire. As of official census estimates, it has a reported population of 4,484. The land area covers 23.55 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 4,484 | ±126 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 50.9 yrs | ±6.2 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 1,650 | ±126 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 2,409 | ±163 |
| Occupied Housing Units | 1,650 | ±126 |
| Vacant Housing Units | 759 | ±122 |
| Median Home Value | $559,000 | ±$64,880 |
| Median Gross Rent | $1,594 | ±$551 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $107,000 | ±$10,394 |
| Per Capita Income | $53,645 | ±$5,434 |
| Poverty Rate | 0.9% | ±0.6% |
| Population Below Poverty Level | 33 | ±23 |
| Unemployment Rate | 3.7% | ±2.7% |
| Civilian Labor Force, Employed | 1,716 | ±192 |
| Broadband Internet Rate | 92.2% | ±9.8% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 157,869 (2024)
ID: 169996
|
County | Official County Government |
Contact: CHAIRPERSON
333 DANIEL WEBSTER HWY, STE 2, BOSCAWEN NH 03303-2499
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | KG-08 | Andover, NH | |
| Regular School Nearby | KG-05 | Bristol, NH | |
| Regular School Nearby | KG-04 | Croydon, NH | |
| Regular School Nearby | KG-05 | Danbury, NH | |
| Regular School Nearby | PK-06 | Grantham, NH | |
| Regular School Nearby | 09-12 | Contoocook, NH | |
| Regular School Nearby | 07-08 | Contoocook, NH | |
| Regular School Nearby | PK-06 | Hill, NH | |
| Regular School Nearby | KG-05 | New London, NH | |
| Regular School Nearby | KG-05 | Bradford, NH |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Colby-Sawyer College
|
College | 0.9 mi away | 541 Main Street, New London, NH, 03257-7835 |
6035263000
|
|
TRACY MEMORIAL LIBRARY
|
Library | 0.4 mi away | 304 MAIN STREET, NEW LONDON, NH, 03257 |
(603) 526-4656
|
|
River Valley Community College
|
College | 17.2 mi away | 1 College Place, Claremont, NH, 03743-9707 |
6035427744
|
|
WILMOT PUBLIC LIBRARY
|
Library | 4.5 mi away | 11 NORTH WILMOT ROAD, WILMOT, NH, 03287 |
(603) 526-6804
|
|
New England College
|
College | 18.7 mi away | 98 Bridge St, Henniker, NH, 03242 |
6034282000
|
|
ABBOTT LIBRARY
|
Library | 5.2 mi away | 11 SOONIPI CIRCLE, SUNAPEE, NH, 03782 |
(603) 763-5513
|
|
Upper Valley Educators Institute
|
College | 19.4 mi away | 194 Dartmouth College Highway, Lebanon, NH, 03766-1358 |
6036784888101
|
|
LIBBIE A. CASS MEMORIAL LIBRARY
|
Library | 5.9 mi away | 2748 MAIN STREET, SPRINGFIELD, NH, 03284 |
(603) 763-4381
|
|
Dartmouth College
|
College | 24.8 mi away | 207 Parkhurst Hall, Hanover, NH, 03755-3529 |
6036461110
|
|
SUTTON FREE LIBRARY
|
Library | 6.1 mi away | 5 CORPORATION HILL RD, SUTTON MILLS, NH, 03221 |
(603) 927-4927
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at MT SUNAPEE, NH US, located 7.4 miles from ZCTA5 03257. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 28.7° | 12.9° | 20.8° | 3.34" | 18.4" |
| February | 31.5° | 14.6° | 23.0° | 3.07" | 24.6" |
| March | 39.7° | 22.0° | 30.8° | 3.74" | 12.3" |
| April | 53.4° | 32.7° | 43.1° | 4.21" | 4.7" |
| May | 66.4° | 44.2° | 55.3° | 3.91" | 0.0" |
| June | 74.5° | 54.0° | 64.2° | 4.41" | 0.0" |
| July | 78.9° | 59.2° | 69.0° | 4.42" | 0.0" |
| August | 77.3° | 57.4° | 67.3° | 3.66" | 0.0" |
| September | 70.2° | 50.1° | 60.2° | 4.18" | 0.0" |
| October | 56.8° | 38.6° | 47.7° | 5.52" | 1.2" |
| November | 45.0° | 29.0° | 37.0° | 3.73" | 3.6" |
| December | 34.0° | 19.9° | 27.0° | 4.27" | 20.6" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| New London CDP | CDP | 0.3 mi | — |
| Blodgett Landing CDP | CDP | 3.8 mi | — |
| Newport CDP | CDP | 10.0 mi | — |
| Bradford CDP | CDP | 10.2 mi | — |
| Warner CDP | CDP | 12.5 mi | — |
| Canaan CDP | CDP | 16.1 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 03257. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.