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ZIP Code 03603, New Hampshire

ZIP Code 03603 profile, demographic data, and geographic information.

ZCTA5 03603 is a 5-digit ZIP Code area located in Sullivan County, New Hampshire. As of official census estimates, it has a reported population of 5,238. The land area covers 44.25 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 5,238 ±99 2020-2024 / Census ACS 5-Year 2024
Median Age 44.8 yrs ±8.3 2020-2024 / Census ACS 5-Year 2024
Total Households 1,726 ±180 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 2,036 ±231
Occupied Housing Units 1,726 ±180
Vacant Housing Units 310 ±183
Median Home Value $230,400 ±$47,827
Median Gross Rent $1,096 ±$86
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $56,731 ±$13,494
Per Capita Income $32,361 ±$4,933
Poverty Rate 14.3% ±5.9%
Population Below Poverty Level 747 ±310
Unemployment Rate 4.7% ±4.4%
Civilian Labor Force, Employed 2,320 ±291
Broadband Internet Rate 81.3% ±9.4%
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: 44,012 (2024)
ID: 204916
County Official County Government
Contact: COUNTY ADMINISTRATOR / ADMINISTRATIV
14 MAIN ST, NEWPORT NH 03773-1548

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby 01-04 Acworth, NH
Regular School Nearby PK-04 Alstead, NH
Regular School Nearby 05-08 Bellows Falls, VT
Regular School Nearby 09-12 Bellows Falls, VT
Regular School Nearby KG-05 Claremont, NH
Regular School Nearby PK-06 Proctorsville, VT
Regular School Nearby PK-04 Bellows Falls, VT
Regular School Nearby 05-08 Charlestown, NH
Regular School Nearby PK-04 Charlestown, NH
Regular School Nearby PK-06 Chester, VT
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
River Valley Community College
College 10.6 mi away 1 College Place, Claremont, NH, 03743-9707
6035427744
SILSBY FREE PUBLIC LIBRARY
Library 2.7 mi away 226 MAIN STREET, CHARLESTOWN, NH, 03603
(603) 826-7793
Landmark College
College 20.0 mi away 19 River Rd South, Putney, VT, 05346
8023876700
ACWORTH SILSBY PUBLIC LIBRARY
Library 4.6 mi away 5 LYNN HILL ROAD, ACWORTH, NH, 03601
(603) 835-2150
Keene Beauty Academy
College Vocational 20.8 mi away 800 Park Ave, Keene, NH, 03431
6033573736
SPRINGFIELD TOWN
Library 6.5 mi away 43 MAIN ST., SPRINGFIELD, VT, 05156
(802) 885-3108
Antioch University-New England
College 22.2 mi away 40 Avon St, Keene, NH, 03431
6033573122
UNITY FREE PUBLIC LIBRARY
Library 6.5 mi away 13 CENTER ROAD, UNIT 4, UNITY, NH, 03603
(603) 543-3253
Keene State College
College 22.7 mi away 229 Main Street, Keene, NH, 03435-1506
6033521909
SHEDD-PORTER MEMORIAL LIBRARY
Library 6.9 mi away 2 MAIN ST, ALSTEAD, NH, 03602
(603) 835-6661
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 N SPRINGFIELD LAKE, VT US, located 9.2 miles from ZCTA5 03603. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 29.3° 9.1° 19.2° 2.74" —
February 33.5° 10.5° 22.0° 2.54" —
March 42.3° 19.6° 31.0° 2.69" —
April 55.8° 30.9° 43.3° 3.89" —
May 69.5° 42.2° 55.8° 3.79" —
June 77.2° 51.8° 64.5° 3.97" —
July 82.5° 57.2° 69.9° 4.20" —
August 80.7° 54.5° 67.6° 3.89" —
September 73.4° 47.2° 60.3° 4.06" —
October 59.5° 36.1° 47.8° 5.07" —
November 46.4° 26.9° 36.6° 3.24" —
December 34.9° 17.7° 26.3° 3.82" —
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
Charlestown CDP CDP 2.6 mi —
Springfield CDP CDP 6.4 mi —
North Walpole CDP CDP 8.0 mi —
Bellows Falls village Village 8.9 mi —
North Westminster CDP CDP 9.6 mi —
Claremont city City 9.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 03603. • Official Source Dataset →
  2. 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.
  3. 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.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.