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06807 ZIP Code

Cos Cob, Connecticut

December 19, 2025
ZIP Code:06807
City/Town:Cos Cob
County:Western Connecticut
State:Connecticut
ZIP Type:Standard
Population:7,641
Median Household Income:$190,515
Per Capita Income:$88,553
Total Housing Units:2,857
Median Home Value:$1,235,700
Land Area:3.3 sq miles
8.5 sq km
Water Area:0.1 sq miles
0.3 sq km
Coordinates:41.0567, -73.5920

Population Information (06807 zip code)

#%US
Total Population:7,641----
Male:3,77949.5%49.6%
Female:3,86250.5%50.4%
Median Age:39.5 yrs--38.5 yrs
Under 5 years:6528.5%5.7%
5 to 9 years:5407.1%6.0%
10 to 14 years:5487.2%6.5%
15 to 19 years:6838.9%6.6%
20 to 24 years:3074.0%6.7%
25 to 34 years:5136.7%13.7%
35 to 44 years:1,11914.6%12.9%
45 to 54 years:1,17115.3%12.4%
55 to 59 years:6077.9%6.5%
60 to 64 years:4215.5%6.4%
65 to 74 years:5977.8%9.7%
75 to 84 years:3484.6%4.8%
85 years and over:1351.8%2.0%

Housing Information (06807 zip code)

#%US
Median home value:$1,235,700--$281,900
Median rooms:6.7--5.5
Median rent:$2,448 / mo.--$1,268 / mo.
Total housing units:2,857----
Occupied housing units:2,72595.4%38.0%
Vacant housing units:1324.6%4.6%
Housing tenure:------
Owner-occupied:1,85868.2%64.8%
Renter-occupied:86731.8%35.2%

Educational Attainment (06807 zip code)

#%US
Population 25 years and over:4,911----
Less than 9th grade:851.7%4.7%
9th to 12th grade, no diploma:1463.0%6.1%
High school graduate:81216.5%26.4%
Some college, no degree:1683.4%19.7%
Associate degree:2304.7%8.7%
Bachelor's degree:1,69234.5%20.9%
Graduate or professional degree:1,77836.2%13.7%
Percent high school graduate or higher:--95.3%89.1%
Percent bachelor's degree or higher:--70.7%34.3%

Income Information (06807 zip code)

ValueUS
Median household income:$190,515 / yr.$75,149 / yr.
Mean household income:$292,140 / yr.$105,833 / yr.
Median family income:$250,001 / yr.$92,646 / yr.
Per capita income:$88,553 / yr.$41,261 / yr.

Employment (06807 zip code)

#%US
In labor force:3,968--63.5%
Employed:3,73194.0%96.4%
Unemployed:2376.0%5.3%
Not in labor force:1,796----
Class of Worker:------
Private wage and salary:3,10983.3%79.7%
Government workers:2797.5%14.2%
Self-employed:3439.2%5.9%
Unpaid family workers:00.0%0.1%

Race & Ethnicity (06807 zip code)

#%US
Race (one race):------
White:5,25168.7%61.6%
Black or African American:3474.5%12.4%
American Indian/Alaska Native:240.3%1.1%
Asian:4726.2%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:5256.9%8.4%
Two or more races:1,02213.4%10.2%
Hispanic or Latino (any race):1,21215.9%18.7%
Mexican:99613.0%11.2%
Puerto Rican:370.5%1.8%
Cuban:4886.4%0.7%
Other Hispanic or Latino:00.0%5.0%
Not Hispanic or Latino:4716.2%81.1%

Income Distribution (06807 zip code)

Household IncomeHouseholds%US
Less than $10,000:411.5%4.9%
$10,000 to $14,999:421.5%3.8%
$15,000 to $24,999:250.9%7.0%
$25,000 to $34,999:1636.0%7.4%
$35,000 to $49,999:933.4%10.7%
$50,000 to $74,999:2378.7%16.1%
$75,000 to $99,999:1796.6%12.8%
$100,000 to $149,999:42115.4%17.1%
$150,000 to $199,999:1927.0%8.8%
$200,000 or more:1,33248.9%11.4%

Commute to Work (06807 zip code)

Commute MethodWorkers%US
Drove alone:2,15357.7%67.8%
Carpooled:1413.8%8.7%
Public transportation:37210.0%4.2%
Walked:711.9%2.5%
Other means:782.1%0.9%
Worked from home:89424.0%13.8%
Mean travel time to work:28.1 min--26.7 min

Industry (06807 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:00.0%1.6%
Construction:2607.0%6.9%
Manufacturing:2456.6%10.0%
Wholesale trade:170.5%2.4%
Retail trade:1865.0%11.0%
Transportation, warehousing, utilities:1143.1%5.8%
Information:2065.5%1.9%
Finance, insurance, real estate:88823.8%6.7%
Professional, scientific, management:73419.7%12.1%
Education, health care, social services:62616.8%23.3%
Arts, entertainment, food services:2356.3%9.0%
Other services:1784.8%4.7%
Public administration:421.1%4.7%

Poverty Status (06807 zip code)

#%US
Poverty Rate:--5.6%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (06807 zip code)

#%US
With health insurance:7,42497.2%91.3%
Private health insurance:6,03879.0%67.6%
Public health coverage:1,88024.6%35.9%
Without health insurance:2102.7%8.7%

Benefits & Assistance (06807 zip code)

Households with:#%US
Earnings:2,35486.4%77.4%
Social Security income:64423.6%31.0%
Retirement income:45216.6%21.8%
Supplemental Security Income (SSI):301.1%4.5%
Cash public assistance income:130.5%1.8%
SNAP (food stamps) benefits:250.9%11.4%

Housing Types (06807 zip code)

Structure TypeUnits%US
1-unit, detached:1,74461.0%61.4%
1-unit, attached:28610.0%6.1%
2 units:46516.3%3.4%
3 or 4 units:1906.7%4.3%
5 to 9 units:441.5%4.6%
10 to 19 units:642.2%4.3%
20 or more units:592.1%9.9%
Mobile home:50.2%5.8%
Boat, RV, van, etc.:00.0%0.1%

Year Structure Built (06807 zip code)

Year BuiltUnits%US
Built 2020 or later:00.0%0.6%
Built 2010 to 2019:2137.5%8.2%
Built 2000 to 2009:2107.4%13.5%
Built 1990 to 1999:1354.7%13.2%
Built 1980 to 1989:2498.7%13.2%
Built 1970 to 1979:30810.8%14.6%
Built 1960 to 1969:47516.6%10.2%
Built 1950 to 1959:41114.4%9.9%
Built 1940 to 1949:1023.6%4.6%
Built 1939 or earlier:75426.4%12.0%

Bedrooms (06807 zip code)

Number of BedroomsUnits%US
No bedroom (studio):00.0%2.4%
1 bedroom:1655.8%3.0%
2 bedrooms:51217.9%9.1%
3 bedrooms:1,02836.0%15.9%
4 bedrooms:79227.7%18.8%
5 or more bedrooms:36012.6%17.6%

Heating Fuel (06807 zip code)

Fuel TypeUnits%US
Utility gas:1,99673.2%47.1%
Bottled, tank, or LP gas:582.1%4.9%
Electricity:2288.4%40.2%
Fuel oil, kerosene, etc.:40614.9%4.2%
Coal or coke:00.0%0.1%
Wood:371.4%1.5%
Solar energy:00.0%0.1%
Other fuel:00.0%0.5%
No fuel used:00.0%0.2%

Vehicles Available (06807 zip code)

VehiclesHouseholds%US
No vehicle available:933.4%8.3%
1 vehicle available:68525.1%32.6%
2 vehicles available:1,37950.6%37.0%
3 or more vehicles available:56820.8%22.1%

Home Value Distribution (06807 zip code)

Value RangeOwner Units%US
Less than $50,000:90.5%5.7%
$50,000 to $99,999:00.0%7.8%
$100,000 to $149,999:00.0%9.2%
$150,000 to $199,999:321.7%10.8%
$200,000 to $299,999:00.0%19.9%
$300,000 to $499,999:170.9%24.1%
$500,000 to $999,999:62433.6%17.0%
$1,000,000 or more:1,17663.3%5.6%

Housing Costs (06807 zip code)

ValueUS
Median owner costs (with mortgage):$4,001 / mo.$1,828 / mo.
Median owner costs (no mortgage):$1,479 / mo.$584 / mo.
Median gross rent:$2,448 / mo.$1,268 / mo.
Average household size (owner-occupied):2.882.53
Average household size (renter-occupied):2.612.38

Households (06807 zip code)

#%US
Total households:2,725----
Married-couple households:1,86468.4%47.5%
Cohabiting couple households:1,08439.8%7.0%
Male householder, no spouse:33612.3%5.4%
Female householder, no spouse:45316.6%12.7%
Householder living alone:1,30748.0%28.6%
65 years and over living alone:68525.1%11.8%
Average household size:2.79--2.53
Average family size:3.21----

Marital Status (06807 zip code)

Population 15 years and over#%US
Total:2,819----
Never married:71025.2%37.0%
Now married:1,91968.1%49.5%
Separated:00.0%1.5%
Widowed:1906.7%2.6%
Divorced:79228.1%9.3%

School Enrollment (06807 zip code)

Population 3 years and over#%US
Enrolled in school:2,168----
Nursery school, preschool:1928.9%5.8%
Kindergarten:1888.7%5.0%
Elementary school (grades 1-8):86439.9%40.5%
High school (grades 9-12):66530.7%21.4%
College or graduate school:25911.9%27.3%

Veterans & Disability (06807 zip code)

#%US
Civilian population 18 years and over:5,365----
Veterans:1973.7%6.3%
Civilian noninstitutionalized population:7,634----
With a disability:5967.8%13.4%
Under 18 with disability:13122.0%5.8%
18 to 64 with disability:22637.9%10.4%
65 and over with disability:23940.1%33.4%

Mobility (Residence 1 Year Ago) (06807 zip code)

Population 1 year and over#%US
Same house:6,49084.9%86.9%
Different house:93712.3%13.1%
Same county:53356.9%7.0%
Different county:29431.4%3.2%
Different state:26228.0%2.5%
Abroad:11011.7%0.4%

Place of Birth (06807 zip code)

#%US
Native born:5,78275.7%86.2%
Foreign born:180.2%13.9%
Naturalized citizen:1,85910327.8%52.7%
Not a citizen:1,85910327.8%47.3%
Foreign-born by region:------
Europe:1,85910327.8%10.5%
Asia:5322955.6%31.3%
Africa:26144.4%5.5%
Oceania:00.0%0.5%
Latin America:8014450.0%50.0%
Northern America:121672.2%2.2%

Language Spoken at Home (06807 zip code)

Population 5 years and over#%US
Total:6,989----
English only:5,35076.5%78.3%
Language other than English:1,63923.5%21.5%
By language:------
Spanish:3975.7%13.3%
Other Indo-European languages:89112.7%3.5%
Asian/Pacific Island languages:3515.0%3.5%
Other languages:00.0%1.0%

Computers & Internet (06807 zip code)

Households%US
Households with a computer:2,725100.0%93.1%
Households with broadband internet:2,69298.8%89.4%