Stonington is a town in New London County, Connecticut, home to about 19,299 people across 39 square miles. Its ZIP codes are 06378 and 06379, and parts of 06355 are in Stonington too.
Homes sold for a median of $347 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
All in Stonington
All in Stonington
Mostly Groton; part is in Stonington
Each card is that ZIP code’s whole market, including any part outside Stonington. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Stonington’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Rhode Island T. F. Green International Airport (PVD)35 miles away |
|---|---|
| Closer regional airport | Westerly State Airport (WST)5 miles away |
| Nearest city of 250,000+ | Boston, MA81 miles away |
| Nearest city of 1 million+ | New York, NY117 miles away |
Straight-line distances from the center of Stonington; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Stonington had 18,335 residents in the 2020 census, up 2% since 2000.
It’s the 60th largest of 169 towns in Connecticut by population.
New London County grew from 82,758 residents in 1900 to 268,555 in 2020.
New London County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 25°F. About 42.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Westerly State Ap, RI weather station (6 miles away).
70 doctors and other health care providers list an office in Stonington’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 5 |
| Dentists | 4 |
| Nurse practitioners and physician assistants | 11 |
| Mental health providers | 36 |
| Physical and occupational therapists | 5 |
| Chiropractors | 3 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (24 nearby)
Grocery stores (4 nearby)
Pharmacies (1 nearby)
Libraries (7 nearby)
Museums (10 nearby)
Theaters and performance venues (8 nearby)
Counts are within about 4 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Stonington School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Deans Mill SchoolStonington | Pre-K–5 | 429 | Public | 1.2 mi |
| West Vine Street SchoolPawcatuck | Pre-K–5 | 342 | Public | 3.4 mi |
| Stonington Middle SchoolPawcatuck | 6–8 | 366 | Public | 3.1 mi |
| Stonington High SchoolPawcatuck | 9–12 | 543 | Public | 2.2 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Pine Point SchoolStonington | Pre-K–9 | 101 | Nonsectarian | 0.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Groton.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.