Where is Cos Cob, Connecticut, USA?

Written and Fact-checked by | Updated On: April 28, 2026 | 14:51 ET

Where is Cos Cob Located? - Cos Cob is a city located in the Fairfield County of Connecticut, United States. Cos Cob lies between 27.9378 Degrees North latitudes and 82.2859 Degrees West longitudes.

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Cos Cob Map, Connecticut, USA

Where is Cos Cob?: The Google Map showing the location of Cos Cob in the U.S. state of Connecticut.

Where is Cos Cob Located?

Cos Cob is a city located in the Fairfield County of Connecticut, United States. Cos Cob lies between 27.9378 Degrees North latitudes and 82.2859 Degrees West longitudes. According to 2020 U.S.census, the population of Cos Cob city is 6873 people and the city has a total area of 2.08 sq mi. The city has numerous parks and recreational facilities.

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Cos Cob, Connecticut Quick Facts

FieldValue
CityCos Cob
CountyFairfield County
StateConnecticut
State CapitalHartford
US RegionNortheastern United States
Latitude41.0330°N
Longitude73.5990°W
Elevation50 ft (15 m)
Land Area3.8 sq mi
Water Area0.6 sq mi
Total Area4.4 sq mi
Population~7,500 (2020 Census est.)
Population Density~2,000 per sq mi
ZIP Codes06807
Area Code203 / 475
Time Zone StandardEastern Standard Time (EST) UTC -5
Time Zone DaylightEastern Daylight Time (EDT) UTC -4
CurrencyUS Dollar (USD)
FIPS Code09-XXXX
Congressional District4th District

Nearby Cities to Cos Cob, Connecticut

  • Greenwich, Connecticut - West - 2 mi
  • Riverside, Connecticut - East - 2 mi
  • Old Greenwich, Connecticut - South - 3 mi
  • Stamford, Connecticut - East - 7 mi
  • Port Chester, New York - West - 5 mi
  • Rye, New York - West - 8 mi
  • White Plains, New York - Northwest - 15 mi
  • Darien, Connecticut - East - 10 mi
  • Norwalk, Connecticut - East - 18 mi
  • New York City, New York - Southwest - 32 mi

Cos Cob, Connecticut Climate and Weather Overview

MonthAvg High (°F)Avg Low (°F)Avg Rainfall (in)
January38243.5
April58404.0
July84664.2
October64484.1
Annual614548.0
Climate AttributeValue
Climate Classification (Köppen)Humid Subtropical / Humid Continental (Cfa/Dfa transition)
Annual Rainfall~45–50 inches
Annual Sunshine Days~200 days
Tornado RiskVery Low
Snowfall20–30 inches annually

Driving Distances from Cos Cob, Connecticut

CityStateDistance (mi)Approx. Drive Time
GreenwichCT25 min
StamfordCT715 min
Port ChesterNY510 min
RyeNY815 min
White PlainsNY1525 min
DarienCT1018 min
NorwalkCT1825 min
New HavenCT4555 min
New York CityNY3250 min
HartfordCT851 hr 30 min

Transportation and Connectivity in Cos Cob, Connecticut

ModeDetails
AirportWestchester County Airport (HPN), JFK International Airport, LaGuardia Airport
PortPort of Stamford (regional access)
Major HighwaysI-95, US-1, Merritt Parkway (CT-15 nearby)
Rail/AmtrakMetro-North Railroad (Cos Cob Station - New Haven Line)
Local TransitCT Transit + Greenwich local bus services
  • I-95 - major coastal interstate connecting Cos Cob with New York City and coastal Connecticut
  • US-1 - local corridor running through Greenwich and nearby shoreline towns
  • CT-15 Merritt Parkway - scenic limited-access highway linking inland Connecticut regions

Key Landmarks and Places to Visit in Cos Cob, Connecticut

Landmark NameType
Bush-Holley HouseHistoric House Museum
Greenwich Point ParkBeach / Park
Bruce MuseumMuseum
Putnam CottageHistoric Site
Binney ParkPublic Park
Greenwich AvenueShopping District
Audubon Center in GreenwichNature Center
Cos Cob HarborMarina / Waterfront

Places to Visit in Cos Cob, Connecticut

Landmark NameType
Bush-Holley HouseHistoric Museum
Greenwich Point ParkBeach Park
Bruce MuseumCultural Museum
Cos Cob Railroad Station AreaHistoric Transit Site
Binney ParkRecreation Park
Audubon Center GreenwichNature Reserve
Old Greenwich Village NearbyHistoric Village Area
Greenwich Harbor WaterfrontScenic Waterfront

Colleges and Universities in Cos Cob, Connecticut

Institution NameTypeLevelNotable For
University of Connecticut (Stamford Campus)PublicUniversityBusiness & Liberal Arts Programs
Fairfield University (Nearby)PrivateUniversityJesuit Education & Research
Norwalk Community College (Nearby)PublicCommunity CollegeAffordable transfer programs

Waterbodies in Cos Cob, Connecticut

Cos Cob Harbor, Mianus River, Long Island Sound, Greenwich Cove, Mill Pond

Golf Courses in Cos Cob, Connecticut

Greenwich Country Club, Stanwich Club, Griffith E. Harris Golf Course, Innis Arden Golf Club

Cos Cob, Connecticut - Key Historical Facts

  • Cos Cob developed as a small maritime and railroad community within Greenwich during the 19th century.
  • The Cos Cob Power Station played an important role in early electric railway development in the region.
  • The area became known for its artistic community, including painters associated with the Cos Cob Art Colony.
  • The arrival of the New Haven Railroad helped connect Cos Cob to New York City and boosted suburban growth.
  • Cos Cob remains a historic waterfront village with preserved colonial-era buildings and cultural landmarks.
  • Today it is primarily a residential community with strong ties to Greenwich’s coastal economy.

References

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