Cos Cob ZIP Codes — Fairfield County, CT

There is one unique ZIP code in Cos Cob, Connecticut and it is 06807. Area code: 203/475.
1
ZIP codes
3.28
sq mi land
0.13
sq mi water
203/475
area code
Cos Cob, CT ZIP code map

About Cos Cob, CT

Cos Cob, Connecticut, is a charming community located within the greater Greenwich area. Known for its picturesque scenery and small-town feel, it attracts both residents and visitors seeking a tranquil lifestyle. As part of Fairfield County, Cos Cob offers a unique blend of natural beauty and suburban amenities.

Location & geography

Cos Cob is situated in southwestern Connecticut and is approximately 30 miles from Manhattan, making it an appealing location for commuters. Neighboring cities include Greenwich to the north, a mere 5 miles away, and Old Greenwich, which is also conveniently located just 4 miles to the west. The town covers a land area of 3.28 square miles and a water area of 0.13 square miles, providing a delightful blend of both land and waterfront.

Community & economy

The character of Cos Cob is defined by its friendly atmosphere and a strong sense of community. Residents enjoy a mix of local shops, art galleries, and small businesses that contribute to the town's vibrant culture. The area is primarily residential, with notable industries including retail and services that cater to the needs of local families.

Transportation

Cos Cob is easily accessible via Interstate 95, which runs nearby and connects to other major highways in the region. The nearest major airport is Westchester County Airport, located about 9 miles away, offering convenient flight options for travelers. Public transportation is also available, with commuter rail services providing routes to New York City.

History

Cos Cob has a rich history, with its founding dating back to the 17th century. The area was initially established for its valuable coastal resources and quickly became known for shipbuilding and other maritime industries. Over the years, Cos Cob has evolved into a vibrant community while still retaining its historical charm.

Did you know?

A surprising fact about Cos Cob is that it was once a favorite location for notable American artists and writers, including several members of the Cos Cob Art Colony in the late 19th and early 20th centuries. This artistic heritage continues to influence the local culture and community events today.

ZIP codes for Cos Cob, CT (1)
ZIP code City County Map
06807 Cos Cob Fairfield View map

Demographics & statistics

7,641
Population
39.5
Median age
$190,515
Median household income
$104,571
Per capita income
$1,235,700
Median home value
$2,448
Median monthly rent
68.2%
Home ownership
5.6%
Poverty rate
6.0%
Unemployment
1,990
Housing units
70.7%
Bachelor's or higher

Age distribution

Male Female
323
Under 5
329
267
5–9
273
271
10–14
277
338
15–19
345
152
20–24
155
254
25–34
259
554
35–44
565
579
45–54
592
300
55–59
307
208
60–64
213
295
65–74
302
172
75–84
176
67
85+
68
← Male
Female →

Age summary

GroupCount%
Under 182,27629.8%
18 and over5,36570.2%
65 and over1,08014.1%
Median age39.5 years

Race & ethnicity

White 59.3%
Hispanic or Latino 13.7%
Two or more races 11.5%
Other race 5.9%
Asian 5.3%
Black or African American 3.9%
American Indian / Alaska Native 0.3%
GroupCount%
White5,25159.3%
Hispanic or Latino1,21213.7%
Two or more races1,02211.5%
Other race5255.9%
Asian4725.3%
Black or African American3473.9%
American Indian / Alaska Native240.3%

Household income

Under $10k 1.5%
$10k–$15k 1.5%
$15k–$25k 0.9%
$25k–$35k 6.0%
$35k–$50k 3.4%
$50k–$75k 8.7%
$75k–$100k 6.6%
$100k–$150k 15.4%
$150k–$200k 7.0%
$200k+ 48.9%
Range% of households
Under $10k1.5%
$10k–$15k1.5%
$15k–$25k0.9%
$25k–$35k6.0%
$35k–$50k3.4%
$50k–$75k8.7%
$75k–$100k6.6%
$100k–$150k15.4%
$150k–$200k7.0%
$200k+48.9%
Median income$190,515

Housing

Home values

Under $50k 0.5%
$150k–$200k 1.7%
$300k–$500k 0.9%
$500k–$1M 33.6%
$1M+ 63.3%

Housing overview

MetricValue
Median home value$1,235,700
Median rent / month$2,448
Owner occupied68.2%
Renter occupied31.8%
Vacant4.6%
Single-family detached61.0%
Large apartment buildings2.1%
Mobile homes0.2%
Median rooms6.7
Avg household size (owned)2.88

Year built

Era%
2020 or later0.0%
2010–20197.5%
2000–20097.4%
1990–19994.7%
1980–19898.7%
1970–197910.8%
1960–196916.6%
1950–195914.4%
1940–19493.6%
1939 or earlier26.4%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom5.8%
2 bedrooms17.9%
3 bedrooms36.0%
4 bedrooms27.7%
5+ bedrooms12.6%

Vehicles per household

Vehicles% of households
No vehicle3.4%
1 vehicle25.1%
2 vehicles50.6%
3 or more20.8%

Heating fuel

Fuel type%
Utility gas73.2%
Electricity8.4%
Propane / LP gas2.1%
Fuel oil14.9%
Wood1.4%

Households & families

Household typeCount%
Married-couple family1,86468.4%
Cohabiting couple722.6%
Male householder, no spouse33612.3%
Female householder, no spouse45316.6%
Households with children under 181,30748.0%
Households with seniors (65+)68525.1%
Average household size2.79

Marital status

StatusMaleFemale
Never married25.2%25.7%
Married68.1%60.7%
Separated0.0%1.1%
Widowed0.0%4.2%
Divorced6.7%8.3%

Education

Less than 9th grade 1.7%
Some HS, no diploma 3.0%
HS graduate 16.5%
Some college, no degree 3.4%
Associate's degree 4.7%
Bachelor's degree 34.5%
Graduate / professional 36.2%
Metric%
HS diploma or higher95.3%
Bachelor's or higher70.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1928.9%
Kindergarten1888.7%
Elementary school86439.9%
High school66530.7%
College / grad school25911.9%

Employment

Industry of employment

Finance & real estate 23.8%
Professional & management 19.7%
Education & healthcare 16.8%
Construction 7.0%
Manufacturing 6.6%
Arts, food & hospitality 6.3%
Information 5.5%
Retail trade 5.0%
Other services 4.8%
Transportation & utilities 3.1%
Public administration 1.1%
Wholesale trade 0.5%

Occupation

Category%
Management, business & arts55.6%
Service12.9%
Sales & office20.1%
Natural resources & construction6.7%
Production & transportation4.6%

Employment type

Type%
Private sector83.3%
Government7.5%
Self-employed9.2%
Unpaid family workers0.0%

Commute

Method%
Drive alone58.0%
Carpool3.8%
Public transit10.0%
Walk1.9%
Other means2.1%
Avg commute (minutes)28.1

Poverty

All people 5.6%
Under 18 years 6.6%
18 and over 5.1%
Married-couple families 1.3%
Female-led households 15.0%

Income support

Source% of households
Social Security23.6%
Retirement income16.6%
Supplemental Security1.1%
Cash public assistance0.5%
Food stamps / SNAP0.9%

Health indicators

Condition%
High blood pressure26.1%
High cholesterol31.7%
Heart disease4.7%
Stroke2.0%
Asthma8.1%
Arthritis19.8%
Kidney disease2.2%
Pulmonary disease3.9%
Cancer7.3%
Behavior / access%
Binge drinking15.9%
No physical activity13.1%
Less than 7 hrs sleep28.3%
Fair or poor health7.4%
Poor mental health10.7%
Poor physical health6.8%
No health insurance7.2%
Visited doctor (checkup)75.0%
Visited dentist78.9%
Cholesterol screening94.5%
Teeth loss5.6%

Veterans & disability

VeteransCount%
Civilian veterans1973.7%
Disability%
Any disability7.8%
Under 185.8%
18–64 years5.3%
65 and over22.1%

Health insurance coverage

Type%
Private insurance79.1%
Public insurance24.6%
Uninsured under 191.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only6,98991.5%
Spanish6008.6%
Other Indo-European1221.7%
Asian & Pacific Islander3034.3%
Other languages1752.5%

Place of birth & citizenship

OriginCount%
Native born (US)5,78275.7%
Born in same state5,76475.4%
Born in different state2,57933.8%
Foreign born180.2%
Naturalized citizen1,85924.3%
Not a US citizen1,05556.8%

Ancestry

AncestryCount%
Italian1,13414.8%
French82910.8%
Arab4445.8%
German530.7%
Polish500.7%
AncestryCount%
Irish340.4%
English330.4%
Dutch310.4%
Norwegian190.2%

Technology access

Metric% of households
Computer access35.7%
Internet access98.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Cos Cob, CT have?
Cos Cob, CT has one ZIP code: 06807. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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