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Grantham

A town of 3,465 people in Sullivan County, New Hampshire
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About Grantham

Town in New Hampshire, United States
1761Established
3,404Population
28.1 sq miArea
948 ftElevation

Grantham is a town in Sullivan County, New Hampshire, United States. The population was 3,404 at the 2020 census, an increase over the figure of 2,985 tabulated in 2010. The planned community of Eastman is in the eastern part of the town.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code03753
Area code603
Living in Grantham

Housing in Grantham

$505K▲ 2.3% in a year Typical home value · Zillow

The typical Grantham home is worth about $505,000, up 2.3% in a year, close to the New Hampshire typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Grantham

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Not graded

A grade needs all of the FBI's latest years (2023–2025). Grantham's police department reported only 2024 and 2025, so we don't grade it yet. The figures below are still real.

Violent crime per 1,000
Grantham 0.6
New Hampshire 1.2
U.S. 3.3
Property crime per 1,000
Grantham 2.3
New Hampshire 8.3
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Schools in Grantham

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A+

School Grade A+

The public schools Grantham’s kids attend outperform 96% of New Hampshire’s districts on state tests. Among towns with similar incomes, they rank near the top.

#6Best public schoolsof 120 in NH
DistrictGrantham School DistrictSchools1

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results, graded within NH. Ratings are from neighbors.

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Grantham

New Hampshire · NH · Sullivan County
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01