Long HillCT
A town of 4,399 in Connecticut.
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 home-ownership rate than Long Hill. 16% of the land in Long Hill is conserved, above both the Connecticut town median (14%) and 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
Adults 18 to 34 are 44% of residents (22% statewide); adults 35 to 64 are 27% of residents (39% statewide). In Long Hill, 48% of 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
Open space protected for good: 16.3% of Long Hill
Long Hill’s concentration of trails comes in at 0.4 miles per square mile. 0.6 miles of trail wind through 3 parks and preserves. Parks and preserves in the town: 3, covering 150 acres.
| 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
Four seasons and pleasant summers in Long Hill
A winter brings about 25 inches of snow, with January nights at 23° and July afternoons at 81°.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
About one in three of Long Hill’s working residents commute to Groton
The middle household income for Long Hill comes to $84,000. Most working residents leave Long Hill for work: only 4% work in town. Between 2013 and 2023, jobs in Long Hill dropped by 151, to 1,507. 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
Natural hazards: low risk in Long Hill, mostly inland flooding
Of the losses FEMA expects in Long Hill, 57% come from inland flooding and 32% from hurricanes. Compared with 62% of U.S. communities, expected storm and flood damage locally is lower.
FEMA National Risk Index · OpenFEMA
How healthy Long Hill is
The share of adults in Long Hill who have obesity: 30%. Of 32 CDC measures, Long Hill beats the Connecticut average on 1 and trails it on 2.
| 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.