Graftonite with Triphylite Iron manganese calcium phosphate Palermo Mine, North Groton, New Hampshire 2863, 2007
Groton’s story
265 years in pictures
The archive holds 6 old photos and papers going back to 2007.
- 1761Groton is settled
GrotonNH
6 bordering townsMap →
Photo: User:Magicpiano · CC BY-SA 4.0
Population
589
2025 Census estimate · +3.9% since 2020
Typical home
$351K
+1.3% in a year
Household income
$86K
median
Median age
51.1
years
Jobs based here
91
A commuter town
Is Groton a good place to live?
36% of the land in Groton is conserved, against 18% in New Hampshire’s towns and 4.3% across U.S. towns. Cardigan Highlands - Green Acre Woodlands, at 3,338 acres with 10.9 miles of trail, is the biggest park or preserve. Groton has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
What makes Groton stand out
Where Groton beats most towns.
Small town
589 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
DorchesterPlymouthRumneyHebronOrangeCanaanGroton
Getting set up
The full setup list →Moving to Groton: who provides what
Who provides power, water and the rest in Groton, and how to reach them.
PowerNew Hampshire Elec Coop24.7¢/kWh · EIA 2025HIFLD · EIA
WaterTenney Brook II water systemNo health-based violations in 5 years · EPAEPA
Internet4 providers93% of addresses get 100/20 MbpsFCC
Trash & dumpNearest public drop-offRumney Transfer Station, 5 miOpenStreetMap
Register to voteIn personNew Hampshire has no online registration; you can register in person up to and including Election Day or by mail only in special circumstances (received 13 days before).vote.govWho runs elections hereTown Clerk of GrotonThe town itself; contacts on the Handbook page.FVAP, Sep 2025
ZIP codes03241, 0326603241 56% · 03266 44%Census 2020
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 19, 2024.
The data
Ordered by what stands out in Groton.
Outdoors
In Groton, nearly a third of the land is conserved
There are 80 miles of trail across 12 parks and preserves. Groton’s density of trails stands at 2.0 miles per square mile, where New Hampshire’s towns sit at 1.2 and U.S. towns at 0.4.
35.9%conserved
35.9%
conserved · 9,314 of 25,920 acres
80 mi
of trails · 2 per sq mi
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Cardigan Highlands - Green Acre Woodlands | 10.9 mi | 3,338 |
| 2. Kimball Hill Wildlife Management Area | 10.4 mi | 2,819 |
| 3. Cockermouth Forest | 7.2 mi | 1,197 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Natural hazards
Groton has a very high natural-hazard risk, chiefly from inland flooding
Among 127 New Hampshire towns, just 6 have a higher FEMA risk score than Groton. Federal disaster aid has reached households in Groton after 8 declared disasters, most recently in 2022. 85% of the town’s expected losses from natural hazards come from inland flooding.
81risk score of 100
FEMA risk score
Inland flooding
8
federal disasters paid out here
FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
Work & commute
Compared with most of New Hampshire and the rest of the country, fewer of Groton’s working residents work locally
The top destinations are Lebanon (22%), Hanover (13%) and Plymouth (8%). Jobs based in Groton grew to 91 in 2023, 72 more than in 2013. For Groton, the average commute is 29 minutes.
2%work in town
| Groton | New Hampshire towns | U.S. towns | |
|---|---|---|---|
| Working residents who work in town | 2% | 10% | 8% |
| Average trip to work | 29 minutes | 28 minutes | 25 minutes |
| Below the poverty line | 11% | 6.8% | 9.6% |
| Median household income | $86,000 | $103,000 | $80,000 |
Where working residents work
In Groton2%
Lebanon22%
Hanover13%
Plymouth8%
Lyme4%
21 mi
median commute distance
91
jobs based in Groton
A commuter town
jobs vs. working residents
Census LEHD 2023 · ACS
Housing
The median rent in Groton is higher than in the typical New Hampshire or U.S. town
Among households in Groton, 91% are owner-occupiers. The typical Groton home is worth about $351,000, up 1.3% in a year, 31% below the New Hampshire typical home.
$351KZillow home value
| Groton | New Hampshire towns | U.S. towns | |
|---|---|---|---|
| Median rent | $2,667 a month | $1,388 a month | $1,185 a month |
| Households that own their home | 91% | 82% | 73% |
Typical home value
Groton$351K
New Hampshire$511K
+1.3%
value change, 1 year
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Climate
Snowy winters and pleasant summers: that is Groton’s year
Groton’s typical July afternoon high is 79°F.
68″snow a winter
Typical low → high °F
Winter12–31°
Spring30–53°
Summer53–77°
Fall36–57°
Sep 26
typical first frost
May 21
typical last frost
+1.7°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020
Safety
Crime reported in Groton
In a town this small, a few incidents move the numbers a lot, so rates aren't shown.
Groton is small, so we show counts rather than rates.
0
violent crimes reported in 2025
1
property crimes reported in 2025
FBI crime data, 2025 · crimes reported to police
Health
How healthy Groton is
For adults in Groton, the share who say their health is fair or poor is 15%. The town does better than the New Hampshire average on 4 of 32 CDC measures and worse on 6. Among 127 New Hampshire towns, just 4 have a higher share of adults who have high blood pressure than Groton. In Groton, 13% of adults binge drink, and 27% have obesity.
| Groton | New Hampshire towns | U.S. towns | |
|---|---|---|---|
| Frequent mental distress (CDC PLACES) | 13% | 16% | 17% |
| Binge drink (CDC PLACES) | 13% | 16% | 16% |
| Obesity (CDC PLACES) | 27% | 32% | 35% |
| Sleep under 7 hours (CDC PLACES) | 30% | 33% | 36% |
32 measures vs. New Hampshire
4 better22 too close to call6 worse
| What stands out | Groton | NH |
|---|---|---|
| Fewer adults facing housing insecurity | 6.4% | 8.1% |
| Fewer adults in frequent mental distress | 13% | 15.3% |
| More adults with heart disease | 8.1% | 6% |
Speare Memorial Hospital
8.8 mi away · emergency room
1 of 3
care shortages: mental health
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Nearby attractions
All 62 attractions →Lake Winnipesaukee and 31 more within 40 miles
Museums, parks, gardens and other places to visit around Groton. Close and well known come first.
29 mi LakeLake Winnipesaukee
35 mi National forestWhite Mountain National Forest
32 mi Ski areaCannon Mountain104 runs · 2,201 ft vertical
23 mi Ski areaWaterville Valley Resort84 runs · 1,990 ft vertical
28 mi WaterfallFlume Gorge
30 mi State parkFranconia Notch State ParkSources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits
Lake Winnipesaukee: No machine-readable author provided. JohnJHenderson~commonswiki assumed (based o, Public domain · White Mountain National Forest: Ken Gallager at English Wikipedia, Public domain · Cannon Mountain: Mikespenard at English Wikipedia, CC BY-SA 3.0 · Waterville Valley Resort: MConradWard, CC BY-SA 4.0 · Flume Gorge: MyCatIsAChonk, CC BY-SA 4.0 · Franconia Notch State Park: Stephen Sokolowski, CC BY-SA 3.0
.jpg){kind=link}
Keep exploring
Everything we know about Groton
19pages on Groton
The big questions
Out and about
The story
Day to day
After high school
Colleges nearby
1 within 15 miles of the center of Groton
About 2 of every 100 Groton residents are enrolled in college, against 6 across New Hampshire.
A commuter town
98% of working residents leave Groton for work
Where Groton’s working residents go each day. Line width shows the share.
91jobs based in Groton
2%of working residents work in town
21 mimedian commute distance
Census LEHD 2023
About Groton
Town in New Hampshire, United States
Groton is a town in Grafton County, New Hampshire, United States. The population was 569 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Established
- 1761
- Area
- 41 sq mi
- Elevation
- 636 ft
- Area code
- 603
Questions about Groton
Short answers, built from the data on this page.
Is Groton, NH a good place to live?
Groton has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
What is Groton, NH known for?
2 notable people were born here, including Augustus P. Hunton and Charles C. P. Holden.