The Town Files

Groton, Massachusetts

Community in Middlesex County · population 1,353 (2020 Census)

Map: where Groton is in MassachusettsGroton
Median home
$758,500
Household income
$135,714
Jan low / Jul high
14° / 85°
Snow a year
59 in
Tornadoes ≤10 mi since 1950
6
Median age
44.1

Groton is a community of 1,353 people in Middlesex County, Massachusetts. The median home is worth $758,500, above the typical Massachusetts town ($510,150). It ranks better for families than 96% of Massachusetts towns, more upscale than 89% of Massachusetts towns, better for young professionals than 70% of Massachusetts towns.

Groton in our rankings:

How Groton ranks

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

Groton lifestyle rankings vs other Massachusetts townsRetirement51st pctFamilies96th pctQuiet45th pctWalkability35th pctFirst-time buyersbottomYoung professionals70th pctVibrancy24th pctHip & trendy14th pctCollege town67th pctUpscale89th pctVacation homesbottomSeaside characterbottomCyclingbottomTransit38th pctDriving26th 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 $758,500, above the typical Massachusetts town ($510,150). Homes cost about 5.6 times the median household income of $135,714, which is more affordable than 26% of Massachusetts towns. Median rent is $349 a month. 74.9% of households own their home.

Groton vs Middlesex County vs typical Massachusetts townGrotonMiddlesex CountyTypical Massachusetts townHome value$758,500$727,800$510,150Household income$135,714$130,847$108,622Monthly rent$349$2,201$1,561
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Massachusetts towns with 500+ people.
HousingGrotonTypical Massachusetts town
Median home value$758,500$510,150
Median rent$349$1,561
Median household income$135,714$108,622
Home value ÷ income5.6×4.5×
Homeownership74.9%80.7%
Median year built19541968
Seasonal / vacation homes0.0%—

Who lives in Groton

PeopleGrotonTypical Massachusetts town
Median age44.144.8
Age 65 and over20.7%20.7%
Under 1827.0%—
Bachelor's degree or higher59.9%45.7%
Below the poverty line10.1%6.3%
Veterans3.1%—
Born outside the U.S.12.3%—
Work from home19.8%17.7%
Average commute33.3 min30.1 min
Homes with broadband100.0%93.9%

Weather in Groton

July highs average 84.7°F and January lows 13.8°F. About 46.2 inches of rain and melted snow fall a year, with 58.8 inches of snow (typical Massachusetts town: 49.5 in). Expect about 27 days a year at 90°F or hotter and 149 nights at or below freezing.

Groton monthly temperatures and precipitation10°20°30°40°50°60°70°80°90°32° freezing35°14°Jan38°16°Feb45°24°Mar58°35°Apr69°46°May79°56°Jun85°62°Jul83°60°Aug75°52°Sep62°39°Oct51°29°Nov40°20°DecPrecipitation (in) · snow (in) in blue3.015.33.115.14.112.13.91.73.64.23.63.74.24.70.43.71.74.512.5
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Nashua Cwsu station (9.5 mi away); snowfall estimated from the 4 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

6 tornadoes have passed within 10 miles of Groton since 1950, compared with 8 for the typical Massachusetts town. 3 rated (E)F2 or stronger. The strongest, an F3, struck on October 3, 1970 about 3.7 miles from the town center and killed 1. Tornadoes within 10 miles have caused 1 deaths and 5 injuries since 1950. The most recent was on July 21, 1972.

Tornadoes within 10 miles of Groton by decade01950s11960s51970s01980s01990s02000s02010s02020s
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 26 times; the largest was 2.00 inches on August 4, 2015.

Severe weather in Middlesex County since 1996

Storm events in Middlesex County since 1996 by typeHail160Flood183Drought30High Wind129Lightning63Heavy Rain27Heavy Snow200Flash Flood75
NOAA Storm Events Database, Middlesex County, 1996–2026 (all event types recorded since 1996). 7 deaths recorded.

Middlesex County has been included in 35 federal disaster or emergency declarations since 1953, most often for flood, other, hurricane.

DeclaredIncidentDeclaration
September 15, 2023HurricaneEM-3599: Hurricane Lee
March 27, 2020BiologicalDR-4496: Covid-19 Pandemic
March 13, 2020BiologicalEM-3438: Covid-19
July 19, 2018SnowstormDR-4379: Severe Winter Storm And Snowstorm
April 13, 2015Severe StormDR-4214: Severe Winter Storm, Snowstorm, And Flooding

Jobs and pay in Middlesex County

Middlesex County had 926,104 jobs in 2024, paying an average of $113,704 a year. Unemployment was 2.9% in 2023; in Groton itself the ACS puts it at 7.2%.

Largest industries in Middlesex CountyProfessional & technical serv…159,395 jobs · $198,377Health care & social assistan…125,576 jobs · $71,058Retail70,488 jobs · $46,022Manufacturing67,086 jobs · $137,097Hotels & restaurants62,812 jobs · $37,809Education57,273 jobs · $101,275
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Middlesex County, 2000–20230%2%4%6%8%2000200420082012201620202023Middlesex 2.9%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Groton

Groton questions

Is Groton, Massachusetts a good place to retire?

On The Town Files lifestyle rankings, Groton scores better for retirees than 51% of Massachusetts towns and quieter than 45%. 20.7% of residents are 65 or older (median age 44.1).

How much does a house cost in Groton?

The median owner-occupied home in Groton is valued at $758,500 (Census ACS 2020–2024), against a median household income of $135,714, so homes cost about 5.6 times income. Median rent is $349 a month.

What is the weather like in Groton?

July highs average 84.7°F and January lows 13.8°F (NOAA 1991–2020 normals). It gets about 46.2 inches of precipitation a year and 58.8 inches of snow.

Does Groton get tornadoes?

6 tornadoes have passed within 10 miles of Groton since 1950 (NOAA Storm Events); the strongest was a F3 on October 3, 1970. The typical Massachusetts town has had 8.

How this page is made. Every number comes from public data, matched to Groton's Census boundary (GEOID 2527445). Comparisons use the median of Massachusetts 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.