Greenwich is a town in Fairfield County, Connecticut, home to about 63,228 people across 48 square miles. Its ZIP codes are 06807, 06830, 06831, 06870 and 06878.
Homes sold for a median of $858 per square foot across 5 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
All in Greenwich
All in Greenwich
All in Greenwich
Each card is that ZIP code’s whole market, including any part outside Greenwich. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Greenwich’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | LaGuardia Airport (LGA)22 miles away |
|---|---|
| Closer regional airport | Westchester County Airport (HPN)4 miles away |
| Nearest city of 250,000+ | New York, NY31 miles away |
Straight-line distances from the center of Greenwich; 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.
Greenwich had 63,518 residents in the 2020 census, up 4% since 2000.
It’s the 11th largest of 169 towns in Connecticut by population.
Fairfield County grew from 184,203 residents in 1900 to 957,419 in 2020.
Fairfield County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 22°F. About 47.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Westchester Co Ap, NY weather station (4 miles away).
1,137 doctors and other health care providers list an office in Greenwich’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 116 |
|---|---|
| Specialist doctors | 267 |
| Dentists | 68 |
| Nurse practitioners and physician assistants | 170 |
| Mental health providers | 320 |
| Physical and occupational therapists | 162 |
| Optometrists | 13 |
| Chiropractors | 21 |
| Pharmacies | 14 |
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 (51 nearby)
Grocery stores (8 nearby)
Pharmacies (5 nearby)
Libraries (9 nearby)
Museums (7 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 4.5 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 Greenwich School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cos Cob SchoolCos Cob | Pre-K–5 | 343 | Public | 2.1 mi |
| Hamilton Avenue SchoolGreenwich | Pre-K–5 | 299 | Public | 2.2 mi |
| Julian Curtiss SchoolGreenwich | Pre-K–5 | 236 | Public | 1.5 mi |
| New Lebanon SchoolGreenwich | Pre-K–5 | 375 | Public | 3.5 mi |
| North Street SchoolGreenwich | Pre-K–5 | 411 | Public | 1.1 mi |
| Old Greenwich SchoolOld Greenwich | Pre-K–5 | 385 | Public | 3.9 mi |
| Glenville SchoolGreenwich | K–5 | 411 | Public | 1.4 mi |
| International School At DundeeRiverside | K–5 | 342 | Public | 3.2 mi |
| North Mianus SchoolRiverside | K–5 | 423 | Public | 3.1 mi |
| Parkway SchoolGreenwich | K–5 | 249 | Public | 4.4 mi |
| Riverside SchoolRiverside | K–5 | 440 | Public | 3.2 mi |
| Central Middle SchoolGreenwich | 6–8 | 483 | Public | 1.6 mi |
| Eastern Middle SchoolRiverside | 6–8 | 797 | Public | 3.0 mi |
| Western Middle SchoolGreenwich | 6–8 | 563 | Public | 2.8 mi |
| Greenwich High SchoolGreenwich | 9–12 | 2,620 | Public | 1.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Greenwich AcademyGreenwich | Pre-K–12 | 802 | Nonsectarian | 0.7 mi |
| Greenwich Catholic SchoolGreenwich | Pre-K–8 | 294 | Roman Catholic | 1.6 mi |
| Sacred Heart GreenwichGreenwich | Pre-K–12 | 588 | Roman Catholic | 3.2 mi |
| Whitby SchoolGreenwich | Pre-K–8 | 253 | Nonsectarian | 4.5 mi |
| Eagle Hill SchoolGreenwich | 1–9 | 254 | Nonsectarian | 1.2 mi |
| The Greenwich Japanese SchoolRiverside | 1–9 | 112 | Nonsectarian | 2.7 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 Stamford.
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.