Cos Cob, CT 06807 ZIP Code Profile

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Cos Cob, CT

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ZIP Code 06807: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Cos Cob, CT 06807

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 351
  • Single Family Addresses: 2,743
  • Multi-Family Addresses: 64
  • County: Fairfield County
  • Centroid: Latitude 41.05, Longitude -73.59
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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06807 ZIP Code Map

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Cos Cob, CT 06807 Data & Demographics (As of July 1, 2016)


Total Population 7,531
Population in Households 7,503
Population in Familes 6,503
Population in Group Qrtrs 28
Population Density1 2,291
Diversity Index2 42


Total Households 2,780
Average Household Size 2.7
Family Households 2,019
Average Family Size 3


Total Housing Units 2,920 (100%)
Owner Occupied HU 1,900 (65.1%)
Renter Occupied HU 880 (30.1%)
Vacant Housing Units 140 ( 4.8%)
Median Home Value $1,000,001
Average Home Value $995,184


Median Household Income $150,497
Average Household Income $205,547
Per Capita Income $75,975
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.89% 0.94%
Households 0.73% 0.84%
Families 0.68% 0.83%
Median Household Income   1.03%
Per Capita Income   1.31%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Cos Cob, CT 06807 - Peer Comparisons by Rank and Percentile

The table below compares 06807 to the other 276 ZIP Codes in Connecticut by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 152 45th
Population Density1 # 63 78th
Diversity Index2 # 79 71st
Median Household Income # 12 96th
Per Capita Income # 14 95th

Additional comparisons and rankings can be made with a VERY EASY TO USE Connecticut Census Data Comparison Tool.

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