The Town Files

Thornton, New Hampshire

Town in Grafton County · population 2,708 (2020 Census)

Map: where Thornton is in New HampshireThornton
Median home
$351,900
Household income
$90,022
Jan low / Jul high
6° / 77°
Snow a year
70 in
Tornadoes ≤10 mi since 1950
1
Median age
51.1

Thornton is a town of 2,708 people in Grafton County, New Hampshire. The median home is worth $351,900, close to the typical New Hampshire town ($357,650). It ranks better for a vacation home than 96% of New Hampshire towns, better for retirees than 70% of New Hampshire towns.

Thornton in our rankings:

How Thornton ranks

Percentile among New Hampshire towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of New Hampshire towns.

Thornton lifestyle rankings vs other New Hampshire townsRetirement70th pctFamilies61st pctQuiet65th pctWalkability5th pctFirst-time buyersbottomYoung professionals31st pctVibrancy22nd pctHip & trendy65th pctCollege town26th pctUpscale39th pctVacation homes96th pctSeaside characterbottomCyclingbottomTransitbottomDriving47th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Thornton is worth $351,900, close to the typical New Hampshire town ($357,650). Homes cost about 3.9 times the median household income of $90,022, which is more affordable than 46% of New Hampshire towns. Median rent is $1,270 a month. 88.3% of households own their home.

Thornton vs Grafton County vs typical New Hampshire townThorntonGrafton CountyTypical New Hampshire townHome value$351,900$344,500$357,650Household income$90,022$88,261$94,107Monthly rent$1,270$1,301$1,285
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of New Hampshire towns with 500+ people.
HousingThorntonTypical New Hampshire town
Median home value$351,900$357,650
Median rent$1,270$1,285
Median household income$90,022$94,107
Home value ÷ income3.9×3.8×
Homeownership88.3%82.1%
Median year built19841978
Seasonal / vacation homes33.6%—

Who lives in Thornton

PeopleThorntonTypical New Hampshire town
Median age51.146.3
Age 65 and over19.0%22.3%
Under 1813.9%—
Bachelor's degree or higher46.3%36.8%
Below the poverty line9.2%7.2%
Veterans6.7%—
Born outside the U.S.6.0%—
Work from home29.8%14.2%
Average commute22.7 min27.1 min
Homes with broadband88.8%92.5%

Weather in Thornton

July highs average 77.2°F and January lows 5.7°F. About 53.8 inches of rain and melted snow fall a year, with 70.2 inches of snow (typical New Hampshire town: 67.7 in). Expect about 1 days a year at 90°F or hotter and 188 nights at or below freezing.

Thornton monthly temperatures and precipitation0°10°20°30°40°50°60°70°80°32° freezing28°6°Jan30°6°Feb38°15°Mar50°29°Apr63°40°May72°49°Jun77°54°Jul76°52°Aug69°45°Sep56°34°Oct43°25°Nov33°14°DecPrecipitation (in) · snow (in) in blue3.917.53.316.04.313.64.63.14.20.15.24.84.34.25.60.64.53.35.016.0
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Waterville Valley Nepp station (6.2 mi away); snowfall estimated from the 4 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

1 tornado has passed within 10 miles of Thornton since 1950, compared with 5 for the typical New Hampshire town. The strongest, unrated, struck on August 25, 1969 about 3.2 miles from the town center. The most recent was on August 25, 1969.

Tornadoes within 10 miles of Thornton by decade01950s11960s01970s01980s01990s02000s02010s02020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 9 times; the largest was 2.00 inches on August 25, 1969.

Severe weather in Grafton County since 1996

Storm events in Grafton County since 1996 by typeHail121Flood160Drought37High Wind38Heavy Snow212Flash Flood107Strong Wind52Winter Storm68
NOAA Storm Events Database, Grafton County, 1996–2026 (all event types recorded since 1996). 7 deaths recorded.

Grafton County has been included in 40 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.

DeclaredIncidentDeclaration
August 20, 2024Severe StormDR-4812: Severe Storm And Flooding
July 10, 2024Winter StormDR-4799: Severe Winter Storm And Flooding
April 19, 2024Severe StormDR-4771: Severe Storms And Flooding
February 27, 2024Severe StormDR-4761: Severe Storm And Flooding
September 14, 2023FloodDR-4740: Severe Storms And Flooding

Jobs and pay in Grafton County

Grafton County had 54,323 jobs in 2024, paying an average of $73,105 a year. Unemployment was 1.9% in 2023; in Thornton itself the ACS puts it at 1.3%.

Largest industries in Grafton CountyHealth care & social assistan…13,333 jobs · $95,233Retail6,904 jobs · $39,869Education5,881 jobs · $103,666Hotels & restaurants5,403 jobs · $33,867Manufacturing4,621 jobs · $73,572Professional & technical serv…2,170 jobs · $119,483
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Grafton County, 2000–20230%2%4%6%2000200420082012201620202023Grafton 1.9%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Thornton

1 public school with 173 students, about 7.2 students per teacher.

SchoolGradesStudentsPer teacher
Thornton Central SchoolK-81737.2

Towns near Thornton

Thornton questions

Is Thornton, New Hampshire a good place to retire?

On The Town Files lifestyle rankings, Thornton scores better for retirees than 70% of New Hampshire towns and quieter than 65%. 19.0% of residents are 65 or older (median age 51.1).

How much does a house cost in Thornton?

The median owner-occupied home in Thornton is valued at $351,900 (Census ACS 2020–2024), against a median household income of $90,022, so homes cost about 3.9 times income. Median rent is $1,270 a month.

What is the weather like in Thornton?

July highs average 77.2°F and January lows 5.7°F (NOAA 1991–2020 normals). It gets about 53.8 inches of precipitation a year and 70.2 inches of snow.

Does Thornton get tornadoes?

1 tornado has passed within 10 miles of Thornton since 1950 (NOAA Storm Events). The typical New Hampshire town has had 5.

How this page is made. Every number comes from public data, matched to Thornton's Census boundary (GEOID 3300976740). Comparisons use the median of New Hampshire towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.