Cos Cob, CT Profile: Facts & Data

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Cos Cob, Connecticut - Basic Facts

The Cos Cob Census Designated Place had a population of 6,833 as of July 1, 2019. Cos Cob ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Connecticut. See peer rankings below.

The primary coordinate point for Cos Cob is located at latitude 41.0334 and longitude -73.5996 in Fairfield County. The formal boundaries for the Cos Cob Census Designated Place encompass a land area of 2.08 sq. miles and a water area of 0.12 sq. miles. Fairfield County is in the Eastern time zone (GMT -5). The elevation is 52 feet.

The Cos Cob Census Designated Place (GNIS ID: 2631561) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Cos Cob Census Designated Place is located within Town of Greenwich, a minor civil division (MCD) of Fairfield County.

Alternate Unofficial Names for Cos Cob: Cos Cob Village, Lower Landing.

Jump to... (On This Page!)
  1. Cos Cob 2019 Demographic Data
  2. Growth Rates for Cos Cob (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Connecticut Research Tools (Easy Tools & Current Data)
  3. Connecticut Data Comparison Tool - 2019 Demographics

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Cos Cob, CT Data & Demographics (As of July 1, 2019)

HOUSING AFFORDABILITY INDEX

Cos Cob, CT Housing Affordability Index is 76
State of Connecticut Housing Affordability Index is 111
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.

WEALTH INDEX

Cos Cob, CT Wealth Index is 294
State of Connecticut Wealth Index is 142
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

These new demographic attributes are availiable for cities, Counties, ZIP Codes and even neighborhoods (Census Blocks) when you search by a specific Connecticut address.

See our:

  1. New 2-Minute Introduction and Concise Guide to Big Data which will help you make the most effective use of HomeTownLocator Tools.
  2. References & Data Sources page for more information about methodology and sources of data.

POPULATION

Total Population 6,833
Population in Households 6,806
Population in Familes 5,871
Population in Group Qrtrs 27
Population Density 3,291
Diversity Index1 45
 

INCOME

Median Household Income $149,343
Average Household Income $212,847
Per Capita Income $79,490
Wealth Index3 294

HOUSING

Total Housing Units 2,706 (100%)
Owner Occupied HU 1,698 (62.7%)
Renter Occupied HU 839 (31.0%)
Vacant Housing Units 168 ( 6.2%)
Median Home Value $1,014,151
Housing Affordability Index2 76
 

HOUSEHOLDS

Total Households 2,538
Average Household Size 2.68
Family Households 1,822
Average Family Size 3
NOTES
  1. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.
  2. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  3. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.

GROWTH RATE / YEAR

2010-2019 2019-2024
Population 0.37% 0.38%
Households 0.25% 0.31%
Families 0.13% 0.29%
Median Household Income   1.4%
Per Capita Income   1.38%

Cos Cob, CT - Peer Comparisons by Rank and Percentile

The table below compares Cos Cob to the other 143 incorporated cities, towns and CDPs in Connecticut by rank and percentile using July 1, 2019 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 # 52 64th
Population Density # 22 85th
Diversity Index # 41 71st
Median Household Income # 5 97th
Per Capita Income # 6 97th

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

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