Long HillCT
A town of 4,399.
Is Long Hill a good place to live?
11% of residents are under 18 in Long Hill, against 19% in Connecticut’s towns and 22% across U.S. towns. Of the 156 Connecticut towns we compare, none has a lower share of households owning their home than Long Hill. 16% of the land in Long Hill is conserved, near the Connecticut town median (14%) and above the median of U.S. towns (4.3%). The biggest park or preserve is City of Groton Watershed Lands, at 145 acres. We don’t grade Long Hill yet; the figures below are still real.
The Breakers and 60 more within 40 miles
Museums, parks, gardens and other places to visit around Long Hill. Close and well known come first.
Big draw40 mi MuseumThe Breakers
10 mi Stadium & arenaMohegan Sun Arena
4 mi MuseumMystic Seaport
39 mi MuseumMarble House
39 mi MuseumThe Elms
21 mi State parkGillette Castle State ParkPhoto credits
The Breakers: UpstateNYer, CC BY-SA 3.0 · Mohegan Sun Arena: Bbjeter, CC BY-SA 3.0 · Mystic Seaport: Joethon, Public domain · Marble House: [email protected], Public domain · The Elms: The original uploader was Daderot at English Wikipedia., CC BY-SA 3.0 · Gillette Castle State Park: Original uploader was Kevinpepin at en.wikipedia, Public domain
Moving to Long Hill: who provides what
Long Hill is unincorporated, so New London County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 30, 2026.
The data
Ordered by what stands out in Long Hill.
Long Hill stands out in Connecticut and nationally: the median age there is lower
The median age in Long Hill is 32.7 years. Adults 18 to 34 are 44% of residents (22% statewide); adults 35 to 64 are 27% of residents (39% statewide). 48% of Long Hill adults 25 and older hold a bachelor’s degree or more.
| Long Hill | Connecticut towns | U.S. towns | |
|---|---|---|---|
| Median age | 32.7 years | 44.4 years | 40.5 years |
| Bachelor’s degree or more, 25+ | 48% | 45% | 29% |
| Aged 65 or older | 17% | 20% | 18% |
Ages · share of residents
Education · adults 25 and older
Women and men · all residents
44% women, 56% men
About 126 men for every 100 women (the survey’s margin: ±3.4 points). Across Connecticut, 50.9% of residents are women.
| Long Hill | CT | U.S. | |
|---|---|---|---|
| Under 10 | 6.4% | 10.4% | 11.6% |
| 10 to 17 | 4.9% | 9.8% | 10.3% |
| 18 to 24 | 9.2% | 9.3% | 9.1% |
| 25 to 34 | 34.8% | 12.6% | 13.7% |
| 35 to 44 | 11.3% | 12.7% | 13.2% |
| 45 to 54 | 7.5% | 12.5% | 12.2% |
| 55 to 64 | 8.4% | 14.2% | 12.7% |
| 65 to 74 | 8.6% | 10.7% | 10.2% |
| 75 and older | 8.7% | 7.8% | 7% |
| No diploma | 5.7% | 8.5% | 10.4% |
| High school | 24.3% | 25.3% | 26% |
| Some college | 14.8% | 16.1% | 19.1% |
| Associate’s | 7.3% | 7.6% | 8.8% |
| Bachelor’s | 25.3% | 23.3% | 21.6% |
| Graduate | 22.6% | 19.2% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 4,400, single groups can be off by several points
Long Hill has set aside 16.3% of its land for conservation
0.6 miles of trail in 3 parks and preserves. Long Hill’s trail density is 0.4 miles per square mile.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. City of Groton Watershed Lands | 0.5 mi | 145 |
| 2. Burrows Field | — | 4 |
| 3. Winthrop Estates | — | 1 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
In Long Hill, expect four seasons and pleasant summers
Long Hill has chilly winters and pleasant summers. July afternoons reach 81°, January nights drop to 23° and about 25 inches of snow falls in a winter.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
About one in three of Long Hill’s working residents commute to Groton
Most working residents leave Long Hill for work: only 4% work in town. Since 2013, Long Hill has lost 151 jobs, to 1,507 in 2023. The top destinations are Groton (37%), New London (8%) and Ledyard (5%).
| Long Hill | Connecticut towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 23 minutes | 27 minutes | 25 minutes |
| Working residents who work in town | 4.2% | 11% | 8% |
| Median household income | $84,000 | $109,000 | $80,000 |
Where working residents work
Census LEHD 2023 · ACS
Inland flooding leads a low hazard risk in Long Hill
Expected storm and flood damage is lower than in 62% of U.S. communities.
FEMA National Risk Index · OpenFEMA
How healthy Long Hill is
Long Hill beats the Connecticut average on 1 of 32 CDC measures and trails it on 2. 26% of adults get no exercise outside work in Long Hill.
| Long Hill | Connecticut towns | U.S. towns | |
|---|---|---|---|
| Get no exercise (CDC PLACES) | 26% | 22% | 25% |
| Smoke cigarettes (CDC PLACES) | 9.7% | 9.7% | 14% |
| Obesity (CDC PLACES) | 30% | 30% | 35% |
| Fair or poor health (CDC PLACES) | 17% | 14% | 19% |
| What stands out | Long Hill | CT |
|---|---|---|
| Fewer adults with high cholesterol | 34.4% | 38.4% |
| More older adults who have lost all their teeth | 14.5% | 9.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Everything we know about Long Hill
Colleges nearby
4 within 15 miles of the center of Long Hill
About 8 of every 100 Long Hill residents are enrolled in college, about the same as Connecticut.
About Long Hill
Census-designated place in Connecticut, United States
Long Hill is a census-designated place (CDP) in the town of Groton in New London County, Connecticut, United States. The population was 4,205 at the 2010 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 1.6 sq mi
- Elevation
- 23 ft
- Area code
- 860
Long Hill’s neighbors
3 towns share a border with Long Hill.
| Town | CT rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| Long Hill | — | — | — | — | — | — |
| Groton | #120 | C+ | D | B+ | C+ | B |
| Poquonock Bridge | — | — | — | — | — | — |
| Conning Towers-Nautilus Park | — | — | — | — | — | — |
Long Hill, Poquonock Bridge and Conning Towers-Nautilus Park aren’t graded (fewer than 1,000 residents, or not enough data). Compare Long Hill with a neighbor →
Questions about Long Hill
Short answers, built from the data on this page.
Is Long Hill, CT a good place to live?
We don’t grade Long Hill yet; the figures below are still real.