The Town Files

Groton, New Hampshire

Town in Grafton County · population 569 (2020 Census)

Map: where Groton is in New HampshireGroton
Median home
$269,000
Household income
$85,625
Jan low / Jul high
7° / 82°
Snow a year
73 in
Tornadoes ≤10 mi since 1950
4
Median age
51.1

Groton is a town of 569 people in Grafton County, New Hampshire. The median home is worth $269,000, below the typical New Hampshire town ($357,650). It ranks better for a vacation home than 98% of New Hampshire towns, better transit than 97% of New Hampshire towns, better for retirees than 96% of New Hampshire towns.

Groton in our rankings:

How Groton 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.

Groton lifestyle rankings vs other New Hampshire townsRetirement96th pctFamilies82nd pctQuiet96th pctWalkability12th pctFirst-time buyersbottomYoung professionals66th pctVibrancy10th pctHip & trendy64th pctCollege town34th pctUpscale88th pctVacation homes98th pctSeaside characterbottomCyclingbottomTransit97th pctDriving7th 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 Groton is worth $269,000, below the typical New Hampshire town ($357,650). Homes cost about 3.1 times the median household income of $85,625, which is more affordable than 88% of New Hampshire towns. Median rent is $2,667 a month. 91.3% of households own their home.

Groton vs Grafton County vs typical New Hampshire townGrotonGrafton CountyTypical New Hampshire townHome value$269,000$344,500$357,650Household income$85,625$88,261$94,107Monthly rent$2,667$1,301$1,285
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of New Hampshire towns with 500+ people.
HousingGrotonTypical New Hampshire town
Median home value$269,000$357,650
Median rent$2,667$1,285
Median household income$85,625$94,107
Home value ÷ income3.1×3.8×
Homeownership91.3%82.1%
Median year built19841978
Seasonal / vacation homes35.0%—

Who lives in Groton

PeopleGrotonTypical New Hampshire town
Median age51.146.3
Age 65 and over29.4%22.3%
Under 1815.4%—
Bachelor's degree or higher29.2%36.8%
Below the poverty line10.5%7.2%
Veterans7.9%—
Born outside the U.S.2.4%—
Work from home13.7%14.2%
Average commute29.4 min27.1 min
Homes with broadband92.6%92.5%

Weather in Groton

July highs average 82.0°F and January lows 7.0°F. About 42.9 inches of rain and melted snow fall a year, with 72.9 inches of snow (typical New Hampshire town: 67.7 in). Expect about 10 days a year at 90°F or hotter and 178 nights at or below freezing.

Groton monthly temperatures and precipitation0°10°20°30°40°50°60°70°80°90°32° freezing29°7°Jan33°8°Feb42°17°Mar56°29°Apr68°40°May77°50°Jun82°55°Jul81°53°Aug73°46°Sep59°35°Oct46°25°Nov35°16°DecPrecipitation (in) · snow (in) in blue2.817.82.317.83.013.63.43.33.60.14.14.63.93.64.70.63.53.23.516.5
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Wentworth station (10.1 mi away); snowfall estimated from the 4 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

4 tornadoes have passed within 10 miles of Groton since 1950, compared with 5 for the typical New Hampshire town. The strongest, an EF1, struck on August 21, 2011 about 8.3 miles from the town center. The most recent was on July 17, 2012.

Tornadoes within 10 miles of Groton by decade01950s11960s11970s01980s01990s02000s22010s02020s
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 19 times; the largest was 3.00 inches on June 22, 2008.

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 Groton itself the ACS puts it at 1.9%.

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).

Towns near Groton

Groton questions

Is Groton, New Hampshire a good place to retire?

On The Town Files lifestyle rankings, Groton scores better for retirees than 96% of New Hampshire towns and quieter than 96%. 29.4% of residents are 65 or older (median age 51.1).

How much does a house cost in Groton?

The median owner-occupied home in Groton is valued at $269,000 (Census ACS 2020–2024), against a median household income of $85,625, so homes cost about 3.1 times income. Median rent is $2,667 a month.

What is the weather like in Groton?

July highs average 82.0°F and January lows 7.0°F (NOAA 1991–2020 normals). It gets about 42.9 inches of precipitation a year and 72.9 inches of snow.

Does Groton get tornadoes?

4 tornadoes have passed within 10 miles of Groton since 1950 (NOAA Storm Events); the strongest was an EF1 on August 21, 2011. The typical New Hampshire town has had 5.

How this page is made. Every number comes from public data, matched to Groton's Census boundary (GEOID 3300932180). 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.