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Grantham town, New Hampshire

Grantham town profile, demographic data, and geographic information.

Grantham town is a geographic entity located in Sullivan County, New Hampshire. As of official census estimates, it has a reported population of 3,482. The land area covers 27.22 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 3,482 — 2025 / Census
Median Age 50.4 yrs ±7.5 2020-2024 / Census ACS 5-Year 2024
Total Households 1,431 ±213 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 2,336 ±224
Occupied Housing Units 1,431 ±213
Vacant Housing Units 905 ±198
Median Home Value $343,100 ±$39,276
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $106,403 ±$54,128
Per Capita Income $61,262 ±$13,601
Poverty Rate 0% ±0.4%
Population Below Poverty Level 0 ±12
Unemployment Rate 2.8% ±4.6%
Civilian Labor Force, Employed 1,835 ±349
Broadband Internet Rate 94.6% ±6.2%
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: 3,483 (2024)
ID: 170093
Township Official Local Government
Contact: TOWN ADMINISTRATOR
300 ROUTE 10 SOUTH, GRANTHAM NH 03753-3425
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 Grantham PK-06 Grantham, NH
Regular School Nearby KG-05 Hanover, NH
Regular School Nearby KG-05 Claremont, NH
Regular School Nearby PK-04 Canaan, NH
Regular School Nearby 06-08 Claremont, NH
Regular School Nearby PK Claremont, NH
Regular School Nearby PK-08 Cornish, NH
Regular School Nearby KG-04 Croydon, NH
Regular School Nearby KG-05 Danbury, NH
Regular School Nearby KG-05 Claremont, 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
Upper Valley Educators Institute
College 9.3 mi away 194 Dartmouth College Highway, Lebanon, NH, 03766-1358
6036784888101
DUNBAR FREE LIBRARY
Library 2.0 mi away 401 ROUTE 10 SOUTH, GRANTHAM, NH, 03753
(603) 863-2172
Colby-Sawyer College
College 11.3 mi away 541 Main Street, New London, NH, 03257-7835
6035263000
LIBBIE A. CASS MEMORIAL LIBRARY
Library 5.4 mi away 2748 MAIN STREET, SPRINGFIELD, NH, 03284
(603) 763-4381
River Valley Community College
College 12.3 mi away 1 College Place, Claremont, NH, 03743-9707
6035427744
MERIDEN LIBRARY
Library 5.5 mi away 22 BEAN ROAD, MERIDEN, NH, 03770
(603) 469-3252
Dartmouth College
College 14.8 mi away 207 Parkhurst Hall, Hanover, NH, 03755-3529
6036461110
GEORGE H. STOWELL FREE LIBRARY
Library 6.6 mi away 24 SCHOOL STREET, CORNISH FLAT, NH, 03746
(603) 543-3644
ENFIELD PUBLIC LIBRARY
Library 8.7 mi away 23 MAIN STREET, ENFIELD, NH, 03748
(603) 632-7145
ABBOTT LIBRARY
Library 9.1 mi away 11 SOONIPI CIRCLE, SUNAPEE, NH, 03782
(603) 763-5513
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 NEWPORT, NH US, located 9.8 miles from Grantham town. 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° 2.73" 15.2"
February 32.4° 10.0° 21.2° 2.36" 16.7"
March 40.6° 18.8° 29.7° 2.96" 12.7"
April 53.6° 30.5° 42.1° 3.26" 3.3"
May 66.4° 41.8° 54.1° 3.33" 0.0"
June 74.9° 51.5° 63.2° 4.23" 0.0"
July 80.1° 56.4° 68.3° 4.19" 0.0"
August 78.6° 54.3° 66.4° 3.75" 0.0"
September 71.0° 46.6° 58.8° 3.53" 0.0"
October 58.0° 35.5° 46.7° 4.88" 0.5"
November 45.5° 26.7° 36.1° 3.19" 2.8"
December 34.8° 17.0° 25.9° 3.54" 14.9"
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
Enfield CDP CDP 8.8 mi —
Lebanon city City 9.7 mi —
Plainfield CDP CDP 10.3 mi —
Newport CDP CDP 10.6 mi —
New London CDP CDP 10.7 mi —
Blodgett Landing CDP CDP 11.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 3301931220. • 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.