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Thornton

A town of 2,799 people in Grafton County, New Hampshire
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Outdoors in Thornton

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Map of Thornton: conserved land, trails and the top places to walk
Conserved land48%15,563 of 32,228 acres
Trails65 mi1.3 mi per sq mi
Parks & preserves35,560 conserved acres per 1,000 residents

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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About Thornton

Town in New Hampshire, United States
1763Established
2,708Population
50.8 sq miArea
617 ftElevation

Thornton is a town in Grafton County, New Hampshire, United States. The population was 2,708 at the 2020 census, up from 2,490 at the 2010 census.

Official town website ↗

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

Town numbers

ZIP code03285
Area code603
Living in Thornton

Housing in Thornton

$432K▲ 4.8% in a year Typical home value · Zillow

The typical Thornton home is worth about $432,000, up 4.8% in a year, 16% below the New Hampshire typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Thornton

A

Safety Grade A

Thornton reports less crime per resident than 93% of the U.S. towns and cities we grade. New Hampshire has less reported crime than most states, so among its own towns Thornton sits closer to the middle.

Violent crime per 1,000
Thornton 0.7
New Hampshire 1.2
U.S. 3.3
Property crime per 1,000
Thornton 1
New Hampshire 8.3
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Schools in Thornton

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A−

School Grade A-

The public schools Thornton’s kids attend, from kindergarten through graduation, outperform 80% of New Hampshire’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#18Best public schoolsof 120 in NH
DistrictThornton School DistrictSchools1

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

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Thornton

New Hampshire · NH · Grafton 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