Cos Cob

Census-designated place in Western Connecticut Planning Region, Connecticut

View of Cos Cob, Connecticut
Photo: Wikimedia CommonsWikimedia Commons · Public domain

Cos Cob is an unincorporated community (census-designated place) in Western Connecticut Planning Region, Connecticut, with 6,873 residents (2020 Census). The nearest town is Riverside, 1.3 miles S.

About Cos Cob

Cos Cob is a neighborhood and census-designated place in the town of Greenwich, Connecticut, United States. It is located on the Connecticut shoreline in southern Fairfield County. It had a population of 6,873 at the 2020 census.

Cos Cob is located on the western side of the mouth of the Mianus River. The American Impressionist Cos Cob Art Colony flourished in the late 19th and early 20th centuries. An offshoot of the group, the Greenwich Art Society, continues to support local artists in town.

The town of Greenwich is one political and taxing body, but consists of several distinct sections or neighborhoods, such as Banksville, Byram, Cos Cob, Glenville, Mianus, Old Greenwich, Riverside and Greenwich (sometimes referred to as central, or downtown, Greenwich). Of these neighborhoods, three (Cos Cob, Old Greenwich, and Riverside) have separate postal names and ZIP codes. From 1883 to 1885, the official post office name of Cos Cob was Bayport.

Text: Wikipedia · CC BY-SA 4.0

Cos Cob weather: 7-day forecast

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Living in Cos Cob

Median household income
$190,481
Median home value
$1,210,400
Median rent
$3,067/mo
Median age
39.6
Cost of living and demographics of Cos Cob ›

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Map of Cos Cob

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Cos Cob Street View

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Cos Cob, CT population

Cos Cob had 6,873 residents in the 2020 Census.

2020 Census6,873
Density3,194 per sq mi (1,233 per km²)

Source: U.S. Census Bureau, Decennial Census.

Cos Cob at a glance

StateConnecticut (CT)
CountyWestern Connecticut Planning Region
TypeCensus-designated place
Population6,873 (2020)
Land area2.15 sq mi (5.6 km²)
Water area0.12 sq mi (0.31 km²)
Coordinates41.0481° N, 73.5921° W
ZIP codes06807, 06878
Census code (GEOID)0917520

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Cos Cob

Straight-line distance between town centers.

Frequently asked questions about Cos Cob

What county is Cos Cob in?

Cos Cob is in Western Connecticut Planning Region, Connecticut.

What is the population of Cos Cob, CT?

6,873 people lived in Cos Cob at the 2020 Census.

What is the ZIP code of Cos Cob, CT?

The main ZIP code is 06807. Other ZIP codes: 06878.

What towns are near Cos Cob?

Riverside (1.3 mi), Greenwich (2.2 mi), Old Greenwich (2.4 mi), Indian Field (2.5 mi), Rock Ridge (3.1 mi).

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