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06807 Zip Code (Cos Cob, CT) Detailed Profile




City: Cos Cob, CT (61.75%)
County: Fairfield County, CT
Estimated zip code population in 2022: 7,672
Zip code population in 2010: 7,150
Zip code population in 2000: 6,751

Houses and condos: 2,873
Renter-occupied apartments: 878
% of renters here:

32%
State:

34%
March 2022 cost of living index in zip code 06807: 136.9 (high, U.S. average is 100)

Land area: 3.1 sq. mi.
Water area: 0.1 sq. mi.
Population density: 2,439 people per square mile 
 
 (low).

Age and Sex of Residents in zip code 06807
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Real estate property taxes paid for housing units in 2022:
This zip code:

0.6% ($8,342)
Connecticut:

1.8% ($6,189)
Median real estate property taxes paid for housing units with mortgages in 2022: $8,662 (0.6%)
Median real estate property taxes paid for housing units with no mortgage in 2022: $7,371 (0.6%)

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Males: 3,795  (49.5%)
Females: 3,877  (50.5%)

For population 25 years and over in 06807:

  • High school or higher: 95.9%
  • Bachelor's degree or higher: 71.3%
  • Graduate or professional degree: 36.6%
  • Unemployed: 4.9%
  • Mean travel time to work (commute): 28.5 minutes

For population 15 years and over in 06807:

  • Never married: 26.1%
  • Now married: 63.6%
  • Separated: 0.5%
  • Widowed: 2.1%
  • Divorced: 7.8%

Zip code 06807 compared to state average:

  • Median household income above state average.
  • Median house value significantly above state average.
  • Black race population percentage below state average.
  • Foreign-born population percentage above state average.
  • Length of stay since moving in below state average.
  • Number of college students below state average.
  • Percentage of population with a bachelor's degree or higher above state average.
  • Races in zip code 06807 (2022)
    • 4,92664.2%White
    • 1,00013.0%Hispanic or Latino
    • 84911.1%Two or more races
    • 4736.2%Asian
    • 3484.5%Black
    • 500.7%Some other race
    • 240.3%American Indian
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Data:
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Based on 2000-2022 data
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123
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100% urban population.

Estimated median house/condo value in 2022: $1,325,409
06807:

$1,325,409
Connecticut:

$347,200



According to our research of Connecticut and other state lists, there were 2 registered sex offenders living in 06807 zip code as of May 28, 2024.
The ratio of all residents to sex offenders in zip code 06807 is 3,521 to 1.
The ratio of registered sex offenders to all residents in this zip code is much lower than the state average.


Median resident age:
This zip code:

39.5 years
Connecticut median age:

40.9 years
Average household size:
This zip code:

2.8 people
Connecticut:

2.5 people

Averages for the 2020 tax year for zip code 06807, filed in 2021:

Average Adjusted Gross Income (AGI) in 2020: $248,477 (Individual Income Tax Returns)
Here:

$248,477
State:

$105,931

Salary/wage: $224,178 (reported on 75.9% of returns)
Here:

$224,178
State:

$83,540
(% of AGI for various income ranges: 1146.6% for AGIs below $25k, 3477.0% for AGIs $25k-50k, 6569.5% for AGIs $50k-75k, 10009.4% for AGIs $75k-100k, 21123.2% for AGIs $100k-200k, 175046.1% for AGIs over 200k)

Taxable interest for individuals: $5,797 (reported on 56.9% of returns)
This zip code:

$5,797
Connecticut:

$3,402
(% of AGI for various income ranges: 44.3% for AGIs below $25k, 63.0% for AGIs $25k-50k, 132.0% for AGIs $50k-75k, 229.4% for AGIs $75k-100k, 441.1% for AGIs $100k-200k, 3316.8% for AGIs over 200k)

Ordinary dividends: $16,804 (reported on 52.6% of returns)
Here:

$16,804
State:

$12,683
(% of AGI for various income ranges: 181.4% for AGIs below $25k, 284.1% for AGIs $25k-50k, 531.5% for AGIs $50k-75k, 644.4% for AGIs $75k-100k, 1682.9% for AGIs $100k-200k, 8051.1% for AGIs over 200k)

Net capital gain/loss in AGI: +$42,676 (reported on 49.7% of returns)
Here:

+$42,676
State:

+$44,158
(% of AGI for various income ranges: 72.3% for AGIs below $25k, 191.5% for AGIs $25k-50k, 323.5% for AGIs $50k-75k, 651.9% for AGIs $75k-100k, 1408.2% for AGIs $100k-200k, 24081.1% for AGIs over 200k)

Profit/loss from business: +$36,031 (reported on 24.4% of returns)
Here:

+$36,031
State:

+$22,988
(% of AGI for various income ranges: 306.6% for AGIs below $25k, 772.6% for AGIs $25k-50k, 647.0% for AGIs $50k-75k, 856.9% for AGIs $75k-100k, 2010.0% for AGIs $100k-200k, 6847.9% for AGIs over 200k)

Taxable individual retirement arrangement distribution: $33,400 (reported on 11.2% of returns)
06807:

$33,400
Connecticut:

$22,031
(% of AGI for various income ranges: 66.9% for AGIs below $25k, 159.6% for AGIs $25k-50k, 323.0% for AGIs $50k-75k, 528.1% for AGIs $75k-100k, 1240.7% for AGIs $100k-200k, 2641.4% for AGIs over 200k)

Self-employed (Keogh) retirement plans: $34,753 (reported on 4.3% of returns)
06807:

$34,753
Connecticut:

$29,016
(% of AGI for various income ranges: 277.5% for AGIs $100k-200k, 1584.3% for AGIs over 200k)

Total itemized deductions: $45,329 (reported on 32.2% of returns)
Here:

$45,329
State:

$37,613
(% of AGI for various income ranges: 237.1% for AGIs below $25k, 578.1% for AGIs $25k-50k, 881.0% for AGIs $50k-75k, 1525.6% for AGIs $75k-100k, 2846.1% for AGIs $100k-200k, 12930.4% for AGIs over 200k)

Charity contributions: $11,005 (reported on 28.2% of returns)
Here:

$11,005
State:

$13,557
(% of AGI for various income ranges: 37.4% for AGIs $25k-50k, 67.0% for AGIs $50k-75k, 146.2% for AGIs $75k-100k, 314.6% for AGIs $100k-200k, 3369.6% for AGIs over 200k)

Taxes paid: $9,576 (reported on 32.2% of returns)
06807:

$9,576
State:

$9,096
(% of AGI for various income ranges: 57.4% for AGIs below $25k, 121.5% for AGIs $25k-50k, 224.5% for AGIs $50k-75k, 398.1% for AGIs $75k-100k, 758.9% for AGIs $100k-200k, 2494.6% for AGIs over 200k)

Earned income credit: $1,959 (reported on 4.9% of returns)
Here:

$1,959
State:

$2,059
(% of AGI for various income ranges: 71.4% for AGIs below $25k, 30.7% for AGIs $25k-50k)

Percentage of individuals using paid preparers for their 2020 taxes: 90.8%
Here:

91%
State:

93%
(% for various income ranges: 87.1% for AGIs below $25k, 90.5% for AGIs $25k-50k, 85.7% for AGIs $50k-75k, 89.7% for AGIs $75k-100k, 90.5% for AGIs $100k-200k, 95.4% for AGIs over 200k)

Averages for the 2012 tax year for zip code 06807, filed in 2013:

Average Adjusted Gross Income (AGI) in 2012: $223,433 (Individual Income Tax Returns)
Here:

$223,433
State:

$93,290

Salary/wage: $179,350 (reported on 76.8% of returns)
Here:

$179,350
State:

$73,117
(% of AGI for various income ranges: 53.0% for AGIs below $25k, 68.4% for AGIs $25k-50k, 65.5% for AGIs $50k-75k, 65.8% for AGIs $75k-100k, 67.2% for AGIs $100k-200k, 60.5% for AGIs over 200k)

Taxable interest for individuals: $4,400 (reported on 60.7% of returns)
This zip code:

$4,400
Connecticut:

$2,530
(% of AGI for various income ranges: 3.4% for AGIs below $25k, 0.9% for AGIs $25k-50k, 1.4% for AGIs $50k-75k, 1.8% for AGIs $75k-100k, 1.6% for AGIs $100k-200k, 1.1% for AGIs over 200k)

Ordinary dividends: $16,783 (reported on 49.3% of returns)
Here:

$16,783
State:

$10,909
(% of AGI for various income ranges: 8.2% for AGIs below $25k, 4.7% for AGIs $25k-50k, 4.0% for AGIs $50k-75k, 3.0% for AGIs $75k-100k, 3.7% for AGIs $100k-200k, 3.6% for AGIs over 200k)

Net capital gain/loss in AGI: +$33,954 (reported on 45.3% of returns)
Here:

+$33,954
State:

+$34,090
(% of AGI for various income ranges: 1.0% for AGIs $25k-50k, 1.2% for AGIs $50k-75k, 1.2% for AGIs $75k-100k, 3.9% for AGIs $100k-200k, 8.0% for AGIs over 200k)

Profit/loss from business: +$41,046 (reported on 22.3% of returns)
Here:

+$41,046
State:

+$22,741
(% of AGI for various income ranges: 16.1% for AGIs below $25k, 10.3% for AGIs $25k-50k, 6.8% for AGIs $50k-75k, 6.5% for AGIs $75k-100k, 5.4% for AGIs $100k-200k, 3.4% for AGIs over 200k)

Taxable individual retirement arrangement distribution: $34,959 (reported on 14.6% of returns)
06807:

$34,959
Connecticut:

$19,976
(% of AGI for various income ranges: 6.6% for AGIs below $25k, 3.4% for AGIs $25k-50k, 4.7% for AGIs $50k-75k, 4.2% for AGIs $75k-100k, 4.0% for AGIs $100k-200k, 1.8% for AGIs over 200k)

Self-employment retirement plans: $30,133 (reported on 3.4% of returns)
06807:

$30,133
Connecticut:

$24,004

Total itemized deductions: $55,954 (16% of AGI, reported on 58.2% of returns)
Here:

$55,954
State:

$33,239

Here:

15.6% of AGI
State:

18.9% of AGI
(% of AGI for various income ranges: 25.7% for AGIs below $25k, 19.2% for AGIs $25k-50k, 17.3% for AGIs $50k-75k, 20.2% for AGIs $75k-100k, 21.4% for AGIs $100k-200k, 13.0% for AGIs over 200k)

Charity contributions: $5,971 (reported on 51.6% of returns)
Here:

$5,971
State:

$4,947
(% of AGI for various income ranges: 1.1% for AGIs below $25k, 1.1% for AGIs $25k-50k, 1.3% for AGIs $50k-75k, 1.7% for AGIs $75k-100k, 1.8% for AGIs $100k-200k, 1.3% for AGIs over 200k)

Taxes paid: $31,716 (reported on 58.2% of returns)
06807:

$31,716
State:

$17,397
(% of AGI for various income ranges: 7.5% for AGIs below $25k, 6.1% for AGIs $25k-50k, 6.3% for AGIs $50k-75k, 8.0% for AGIs $75k-100k, 9.1% for AGIs $100k-200k, 8.3% for AGIs over 200k)

Earned income credit: $1,885 (reported on 5.7% of returns)
Here:

$1,885
State:

$2,053
(% of AGI for various income ranges: 3.1% for AGIs below $25k, 0.5% for AGIs $25k-50k)

Percentage of individuals using paid preparers for their 2012 taxes: 69.9%
Here:

70%
State:

55%
(% for various income ranges: 61.1% for AGIs below $25k, 63.0% for AGIs $25k-50k, 62.5% for AGIs $50k-75k, 67.9% for AGIs $75k-100k, 77.6% for AGIs $100k-200k, 81.6% for AGIs over 200k)

Averages for the 2004 tax year for zip code 06807, filed in 2005:

Average Adjusted Gross Income (AGI) in 2004: $162,994 (Individual Income Tax Returns)
Here:

$162,994
State:

$73,265

Salary/wage: $138,459 (reported on 76.4% of returns)
Here:

$138,459
State:

$62,030
(% of AGI for various income ranges: 121.7% for AGIs below $10k, 58.4% for AGIs $10k-25k, 71.4% for AGIs $25k-50k, 73.0% for AGIs $50k-75k, 69.4% for AGIs $75k-100k, 63.9% for AGIs over 100k)

Taxable interest for individuals: $3,875 (reported on 72.2% of returns)
This zip code:

$3,875
Connecticut:

$2,287
(% of AGI for various income ranges: 16.0% for AGIs below $10k, 5.2% for AGIs $10k-25k, 2.8% for AGIs $25k-50k, 2.2% for AGIs $50k-75k, 2.3% for AGIs $75k-100k, 1.5% for AGIs over 100k)

Taxable dividends: $10,035 (reported on 56.5% of returns)
Here:

$10,035
State:

$5,735
(% of AGI for various income ranges: 28.5% for AGIs below $10k, 6.1% for AGIs $10k-25k, 3.5% for AGIs $25k-50k, 4.3% for AGIs $50k-75k, 2.6% for AGIs $75k-100k, 3.4% for AGIs over 100k)

Net capital gain/loss: +$36,152 (reported on 49.0% of returns)
Here:

+$36,152
State:

+$23,694
(% of AGI for various income ranges: -11.3% for AGIs below $10k, 2.5% for AGIs $10k-25k, 1.3% for AGIs $25k-50k, 0.1% for AGIs $50k-75k, 2.1% for AGIs $75k-100k, 12.5% for AGIs over 100k)

Profit/loss from business: +$43,212 (reported on 20.5% of returns)
Here:

+$43,212
State:

+$20,783
(% of AGI for various income ranges: 21.6% for AGIs below $10k, 8.9% for AGIs $10k-25k, 7.0% for AGIs $25k-50k, 7.1% for AGIs $50k-75k, 7.4% for AGIs $75k-100k, 5.1% for AGIs over 100k)

IRA payment deduction: $3,490 (reported on 4.4% of returns)
06807:

$3,490
Connecticut:

$3,216
(% of AGI for various income ranges: 2.6% for AGIs below $10k, 0.4% for AGIs $25k-50k, 0.3% for AGIs $50k-75k, 0.3% for AGIs $75k-100k, 0.1% for AGIs over 100k)

Self-employed pension: $25,788 (reported on 5.1% of returns)
Here:

$25,788
Connecticut:

$17,335
(% of AGI for various income ranges: 1.0% for AGIs $50k-75k, 0.7% for AGIs $75k-100k, 0.8% for AGIs over 100k)

Total itemized deductions: $41,899 (16% of AGI, reported on 56.8% of returns)
Here:

$41,899
State:

$24,919

Here:

15.9% of AGI
State:

18.6% of AGI
(% of AGI for various income ranges: 63.2% for AGIs below $10k, 22.9% for AGIs $10k-25k, 18.1% for AGIs $25k-50k, 19.6% for AGIs $50k-75k, 20.4% for AGIs $75k-100k, 13.6% for AGIs over 100k)

Charity contributions deductions: $7,002 (3% of AGI, reported on 52.6% of returns)
Here:

$7,002
State:

$3,762

Here:

2.5% of AGI
State:

2.7% of AGI
(% of AGI for various income ranges: 2.6% for AGIs below $10k, 1.3% for AGIs $10k-25k, 1.4% for AGIs $25k-50k, 1.8% for AGIs $50k-75k, 2.2% for AGIs $75k-100k, 2.3% for AGIs over 100k)

Total tax: $41,183 (reported on 85.6% of returns)
06807:

$41,183
State:

$15,148
(% of AGI for various income ranges: 6.4% for AGIs below $10k, 5.3% for AGIs $10k-25k, 8.9% for AGIs $25k-50k, 11.1% for AGIs $50k-75k, 11.8% for AGIs $75k-100k, 23.6% for AGIs over 100k)

Earned income credit: $1,058 (reported on 3.6% of returns)
Here:

$1,058
State:

$1,570

Percentage of individuals using paid preparers for their 2004 taxes: 70.2%
Here:

70%
State:

59%
(% for various income ranges: 64.8% for AGIs below $10k, 69.2% for AGIs $10k-25k, 64.6% for AGIs $25k-50k, 67.8% for AGIs $50k-75k, 70.1% for AGIs $75k-100k, 76.5% for AGIs over 100k)

Estimated median household income in 2022:
This zip code:

$186,747
Connecticut:

$88,429
Cos Cob, CT (06807) map Nearest zip codes: 06878, 06830, 06870, 06902, 06901, 06905.
Cos Cob Zip Code Map

Percentage of family households:
This zip code:

58.3%
Connecticut:

43.6%
Percentage of households with unmarried partners:
This zip code:

4.3%
Connecticut:

46.0%
No gay or lesbian households reported

Household received Food Stamps/SNAP in the past 12 months: 26
Household did not receive Food Stamps/SNAP in the past 12 months: 2,728


Women who had a birth in the past 12 months: 264 (222 now married, 36 unmarried)
Women who did not have a birth in the past 12 months: 1,640 (790 now married, 834 unmarried)


Housing units in zip code 06807 with a mortgage: 1,318 (155 second mortgage, 25 home equity loan, 138 both second mortgage and home equity loan)
Houses without a mortgage: 76

Median monthly owner costs for units with a mortgage: $3,810
Median monthly owner costs for units without a mortgage: $1,422

Residents with income below the poverty level in 2022:
This zip code:

5.5%
Whole state:

9.8%
Residents with income below 50% of the poverty level in 2022:
This zip code:

2.4%
Whole state:

4.8%
Median number of rooms in houses and condos:
Here:

7.5
State:

6.5
Median number of rooms in apartments:
Here:

5.5
State:

4.0
  • Notable locations in this zip code not listed on our city pages

  • Click to draw/clear zip code borders
  • Notable locations in zip code 06807: Mianus River Boat and Yacht Club (A), Cos Cob Station (B), Historical Society of the Town of Greenwich (C), Bush-Holley House (D), William E Finch Junior Archives (E), Greenwich Fire Department Station 2 Cos Cob (F). Display/hide their locations on the map

    Cemetery: Greenwich Cemetery (1). Display/hide its location on the map

    Reservoirs: Mianus River Reservoir (A), Mianus River Pond (B). Display/hide their locations on the map

    Streams, rivers, and creeks: Brothers Brook (A). Display/hide its location on the map

    Parks in zip code 06807 include: Montgomery Pinetum (1), Bush-Holley Historic Site and Visitor Center (2), Mianus River State Park (3), Strickland Road Historic District (4). Display/hide their locations on the map

    Tourist attractions (not listed on the city page) : Bush-Holly House (Museums; 39 Strickland Road), Historical Society Town of Greenwich (Museums; 29 Strickland Road).

Year house built
  • Year house built (houses)
  • 02020 or later
  • 2652010 to 2019
  • 2102000 to 2009
  • 1341990 to 1999
  • 2621980 to 1989
  • 3001970 to 1979
  • 4741960 to 1969
  • 4131950 to 1959
  • 901940 to 1949
  • 7351939 or earlier

Zip code 06807 satellite photo by USGS

Owner-occupied Renter-occupied
Bedrooms in owner-occupied houses and condos in Cos Cob, CT (06807)
  • Bedrooms in owner-occupied houses and condos in Cos Cob, CT (06807)
  • 0no bedroom
  • 311 bedroom
  • 2762 bedrooms
  • 6083 bedrooms
  • 6244 bedrooms
  • 3545+ bedrooms
Bedrooms in renter-occupied apartments in Cos Cob, CT (06807)
  • Bedrooms in renter-occupied apartments in Cos Cob, CT (06807)
  • 0no bedroom
  • 1421 bedroom
  • 2332 bedrooms
  • 3093 bedrooms
  • 1484 bedrooms
  • 165+ bedrooms
Owner-occupied Renter-occupied
Cars and other vehicles available in Cos Cob, CT (06807) in owner-occupied houses/condos
  • Cars and other vehicles available in Cos Cob, CT (06807) in owner-occupied houses/condos
  • 105no vehicle
  • 3851 vehicle
  • 9522 vehicles
  • 3113 vehicles
  • 1074 vehicles
  • 395+ vehicles
Cars and other vehicles available in Cos Cob, CT (06807) in renter-occupied apartments
  • Cars and other vehicles available in Cos Cob, CT (06807) in renter-occupied apartments
  • 6no vehicle
  • 3231 vehicle
  • 4482 vehicles
  • 823 vehicles
  • 04 vehicles
  • 85+ vehicles

  • Zip code 06807 household income distribution in 2022

  • Zip code 06807 household income distribution in 2022
  • 49Less than $10,000
  • 40$10,000 to $14,999
  • 14$15,000 to $19,999
  • 9$20,000 to $24,999
  • 56$25,000 to $29,999
  • 109$30,000 to $34,999
  • 87$40,000 to $44,999
  • 13$45,000 to $49,999
  • 108$50,000 to $59,999
  • 130$60,000 to $74,999
  • 190$75,000 to $99,999
  • 310$100,000 to $124,999
  • 113$125,000 to $149,999
  • 194$150,000 to $199,999
  • 1,296$200,000 or more
  • Estimate of home value of owner-occupied houses/condos in 2022 in zip code 06807

  • Estimate of home value of owner-occupied houses/condos in 2022 in zip code 06807
  • 13Less than $10,000
  • 23$150,000 to $174,999
  • 3$175,000 to $199,999
  • 17$400,000 to $499,999
  • 133$500,000 to $749,999
  • 580$750,000 to $999,999
  • 405$1,000,000 to $1,499,999
  • 373$1,500,000 to $1,999,999
  • 515$2,000,000 or more
  • Rent paid by renters in 2022 in zip code 06807

  • Rent paid by renters in 2022 in zip code 06807
  • 22$450 to $499
  • 96$650 to $699
  • 8$1,000 to $1,249
  • 16$1,250 to $1,499
  • 218$1,500 to $1,999
  • 115$2,000 to $2,499
  • 159$2,500 to $2,999
  • 55$3,000 to $3,499
  • 196$3,500 or more
  • 22No cash rent

Median gross rent in 2022: $2,423.


Median price asked for vacant for-sale houses and condos in 2022: $11,604,187.

Estimated median house (or condo) value in 2022 for:

  • White Non-Hispanic householders: $1,416,057
  • Asian householders: $1,384,527
  • Some other race householders: $637,550
  • Two or more races householders: $2,028,569
  • Hispanic or Latino householders: $869,386

Estimated median house or condo value in 2022: $1,325,409
06807:

$1,325,409
Connecticut:

$347,200
Lower value quartile - upper value quartile: $974,816 - $2,075,747

Mean price in 2022:

Detached houses: $1,879,512
Here:

$1,879,512
State:

$503,946

Townhouses or other attached units: $857,081
Here:

$857,081
State:

$304,959

In 2-unit structures: $1,280,760
Here:

$1,280,760
State:

$304,133

In 3-to-4-unit structures: $1,250,687
Here:

$1,250,687
State:

$272,970

In 5-or-more-unit structures: $797,663
Here:

$797,663
State:

$249,308
Owners and renters by unit type in zip code 06807
Breakdown of mean house values by ages of householders

Housing units in structures:

  • One, detached: 1,752
  • One, attached: 298
  • Two: 406
  • 3 or 4: 192
  • 5 to 9: 41
  • 10 to 19: 69
  • 20 to 49: 43
  • 50 or more: 21
  • Mobile homes: 5

Unemployment: 4.9%

  • Means of transportation to work in zip code 06807

  • Means of transportation to work in zip code 06807
  • 55.4%2,089Drove a car alone
  • 3.8%144Carpooled
  • 0.9%34Streetcar or trolley car
  • 7.2%271Subway or elevated
  • 1.2%45Taxi
  • 2.0%74Walked
  • 1.2%46Other means
  • 30.3%1,144Worked at home
  • Travel time to work (commute) in zip code 06807

  • Travel time to work (commute) in zip code 06807
  • 90Less than 5 minutes
  • 3275 to 9 minutes
  • 44610 to 14 minutes
  • 33115 to 19 minutes
  • 31020 to 24 minutes
  • 29125 to 29 minutes
  • 20030 to 34 minutes
  • 1335 to 39 minutes
  • 13040 to 44 minutes
  • 16645 to 59 minutes
  • 35360 to 89 minutes
  • 9190 or more minutes

Percentage of zip code residents living and working in this county: 77.7%

Household type by relationship:

Households: 7,672
  • Male householders: 1,639 (300 living alone), Female householders: 1,123 (268 living alone)
  • 1,813 spouses (1,813 opposite-sex spouses), 83 unmarried partners, (83 opposite-sex unmarried partners), 2,737 children (2,722 natural, 6 adopted, 9 stepchildren), 0 grandchildren, 0 brothers or sisters, 88 parents, 0 foster children, 0 other relatives, 83 non-relatives
  • In group quarters: 42 (-1 institutionalized population)

Size of family households: 660 2-persons, 597 3-persons, 608 4-persons, 189 5-persons, 42 6-persons

Size of nonfamily households: 566 1-person, 66 2-persons

1,808 married couples with children.
424 single-parent households (67 men, 357 women).

75.7% of residents of 06807 zip code speak English at home.
6.0% of residents speak Spanish at home (69% very well, 28% well, 3% not well).
12.6% of residents speak other Indo-European language at home (69% very well, 16% well, 15% not well).
5.1% of residents speak Asian or Pacific Island language at home (48% very well, 32% well, 20% not well).

Foreign born population: 1,946 (25.4%)
(57.1% of them are naturalized citizens)
This zip code:

25.4%
Whole state:

15.7%
Most common places of birth for foreign-born residents
  • 24%Bolivia
  • 7%Taiwan
  • 7%Haiti
  • 6%Sweden
  • 5%Brazil
  • 5%United Kingdom, excluding England and Scotland
  • 3%Greece
Most common first ancestries reported in 06807
  • 17%Italian
  • 8%English
  • 7%American
  • 5%European
  • 4%Irish
  • 3%Polish
  • 3%Brazilian
Year of entry for the foreign-born population
  • Year of entry for the foreign-born population
  • 8192010 or later
  • 3672000 to 2009
  • 4371990 to 1999
  • 381Before 1990

Facilities with environmental interests located in this zip code:

  • COS COB CLEANERS & TAILORS (138 POST RD in COS COB, CT)
    AIR MINOR (AIRS/AFS)
    (Resource Conservation and Recovery Act (tracking hazardous waste))
    Business SIC classification: DRYCLEANING PLANTS, EXCEPT RUG CLEANING
    Organizations: WILLIAM REYNOLDS (CONTACT/OWNER)
  • COS COB SCHOOL (300 EAST PUTNAM AVENUE in COS COB, CT)
    (Geographic Names Information System)
    (National Center for Education Statistics) - STATE ID-2
    Organizations: GREENWICH SCHOOL DISTRICT (SCHOOL DISTRICT)
  • EXXON CO USA 37855 (119 BOSTON POST RD in COS COB, CT)
    (Resource Conservation and Recovery Act (tracking hazardous waste))
    Organizations: PUTNAM AVENUE PROPERTIES INC (CONTACT/OWNER)
  • COS COB GULF (370 E PUTNAM AVE in COS COB, CT)
    Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
    Organizations: THOMAS ZAWATSKI (CONTACT/OWNER)
  • EXXONMOBIL OIL CORP SERV STA E8H (POST RD & CROSS LN in COS COB, CT)
    Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
    Organizations: EXXONMOBIL OIL CORPORATION (CONTACT/OWNER)
  • AQUAPURA CORP (3 STRICKLAND ROAD in COS COB, CT)
    COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)

Zip code 06807 marital status for males
Zip code 06807 marital status for females

Housing units lacking complete kitchen facilities: 1.5%

Most commonly used house heating fuel
  • 73.4%Utility gas
  • 14.9%Fuel oil, kerosene, etc.
  • 8.4%Electricity
  • 2.1%Bottled, tank, or LP gas
  • 1.4%Wood

Population in 1990: 7,000.

Place of birth for U.S.-born residents:

  • This state: 2,530
  • Northeast: 2,570
  • Midwest: 392
  • South: 106
  • West: 207

64% of the 06807 zip code residents lived in the same house 5 years ago.
   Out of people who lived in different houses, 53% lived in this county.
   Out of people who lived in different counties, 50% lived in Connecticut.

89% of the 06807 zip code residents lived in the same house 1 year ago.
   Out of people who lived in different houses, 53% moved from this county.
   Out of people who lived in different houses, 5% moved from different county within same state.
   Out of people who lived in different houses, 32% moved from different state.
   Out of people who lived in different houses, 8% moved from abroad.

Year householders moved into unit in Cos Cob, CT (06807)

Private vs. public school enrollment:

Students in private schools in grades 1 to 8 (elementary and middle school): 229
Here:

26.7%
Connecticut:

9.5%
Students in private schools in grades 9 to 12 (high school): 125
Here:

19.7%
Connecticut:

12.9%
Students in private undergraduate colleges: 144
Here:

75.6%
Connecticut:

35.5%
Educational Attainment in 2022
School Enrollment by Level of School in 2022
Class of Workers in 2022
Occupation by median earnings in the past 12 months
  • Occupation by median earnings in the past 12 months ($)
  • 267,541Legal occupations
  • 192,848Computer and mathematical occupations
  • 180,718Management occupations
  • 170,774Business and financial operations occupations
  • 142,184Health diagnosing and treating practitioners and other technical occupations
  • 140,413Sales and related occupations

Top industries in this zip code by the number of employees in 2005:

  • Administrative and Support and Waste Management and Remediation Services: Landscaping Services (20-49 employees: 1 establishment, 10-19 employees: 1 establishment, 5-9 employees: 2 establishments, 1-4 employees: 7 establishments)
  • Health Care and Social Assistance: Other Residential Care Facilities (50-99: 1)
  • Health Care and Social Assistance: Residential Mental Retardation Facilities (50-99: 1)
  • Health Care and Social Assistance: Offices of Dentists (10-19: 1, 5-9: 5, 1-4: 7)
  • Finance and Insurance: Investment Advice (20-49: 1, 5-9: 1, 1-4: 2)
  • Accommodation and Food Services: Limited-Service Restaurants (10-19: 1, 5-9: 3, 1-4: 4)
  • Construction: Electrical Contractors (10-19: 1, 5-9: 3, 1-4: 3)

Age and Sex of Sensory-Disabled Noninstitutionalized Residents
Age and Sex of Physically-Disabled Noninstitutionalized Residents
Age and Sex of Mentally-Disabled Noninstitutionalized Residents
Age and Sex of Self-Care Disabled Noninstitutionalized Residents
Age and Sex of Go-Outside-Home Disabled Noninstitutionalized Residents
Age and Sex of Noninstitutionalized Residents with Employment Disability

People in group quarters in 2010:

  • 10 people in emergency and transitional shelters (with sleeping facilities) for people experiencing homelessness
  • 10 people in group homes intended for adults
  • 6 people in residential treatment centers for juveniles (non-correctional)

People in group quarters in 2000:

  • 13 people in homes for the mentally retarded
  • 3 people in other workers' dormitories
Home Mortgage Disclosure Act Aggregated Statistics For Year 2009
(Based on 4 partial tracts)
A) FHA, FSA/RHS & VA
Home Purchase Loans
B) Conventional
Home Purchase Loans
C) Refinancings
D) Home Improvement Loans
F) Non-occupant Loans on
< 5 Family Dwellings (A B C & D)
NumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage ValueNumberAverage Value
LOANS ORIGINATED6$584,15364$752,127378$565,91213$658,07121$578,410
APPLICATIONS APPROVED, NOT ACCEPTED0$013$818,48839$657,1081$586,2203$450,993
APPLICATIONS DENIED0$015$542,92399$577,2183$153,22312$282,764
APPLICATIONS WITHDRAWN4$294,4227$855,28764$571,5363$241,3305$876,776
FILES CLOSED FOR INCOMPLETENESS0$07$614,73611$873,1870$00$0

Detailed HMDA statistics for the following Tracts: 0102.02 , 0108.00

Private Mortgage Insurance Companies Aggregated Statistics For Year 2009
(Based on 2 partial tracts)
A) Conventional
Home Purchase Loans
NumberAverage Value
LOANS ORIGINATED1$421,050
APPLICATIONS APPROVED, NOT ACCEPTED0$0
APPLICATIONS DENIED3$339,703
APPLICATIONS WITHDRAWN0$0
FILES CLOSED FOR INCOMPLETENESS0$0

Detailed PMIC statistics for the following Tracts: 0102.02 , 0108.00

Conventional Home Purchase Loans in zip code 06807
Conventional Home Purchase Loans in zip code 06807 - Value

2002 - 2018 National Fire Incident Reporting System (NFIRS) incidents

    Fire incident distribution by year Based on the data from the years 2002 - 2018 the average number of fires per year is 7. The highest number of fires - 12 took place in 2010, and the least - 0 in 2004. The data has a growing trend.
    Fire incident types in Zip Code 06807 When looking into fire subcategories, the most reports belonged to: Outside Fires (43.8%), and Structure Fires (38.8%).

    • Fire incident types reported to NFIRS in Zip Code 06807
    • 5343.8%Outside Fires
    • 4738.8%Structure Fires
    • 119.1%Other
    • 108.3%Mobile Property/Vehicle Fires

See full 2006 National Fire Incident Reporting System statistics for zip code 06807, Connecticut

Most common first names in zip code 06807 among deceased individuals
NameCountLived (average)
Mary6383.3 years
John5975.6 years
Joseph4574.0 years
William4175.9 years
Frank3879.6 years
Margaret2979.4 years
James2872.9 years
George2677.2 years
Rose2483.5 years
Charles2477.3 years
Most common last names in zip code 06807 among deceased individuals
Last nameCountLived (average)
Chiappetta1382.5 years
Anderson1277.5 years
Belmont979.5 years
Ceci970.9 years
Smith877.4 years
Bria886.4 years
Curcio882.9 years
Morrell875.1 years
Bruno885.0 years
Capalbo884.9 years
Businesses in zip code 06807
NameCountNameCount
Baskin-Robbins1JoS. A. Bank1
CVS1RadioShack1
DHL1Starbucks1
Domino's Pizza1Toyota1
Dunkin Donuts1UPS1
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