Cos Cob Flag

Cos Cob

County:
County Seat:
No
Area (mi²):
2.152
State:
Connecticut

Cos Cob is a CDP. Unfortunately, the data for this location is currently very limited or unavailable.

The median household income in Cos Cob is $190,481 with a poverty rate of 5.58%. The median age in Cos Cob is 39.6 years: 40.3 years for males, and 38.1 years for females. For every 100 females there are 93.4 males.

7.5K
Total Population
3,480
Density (mi²)
45 0.6%
Growth

Cos Cob Population

Cos Cob Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20267,489450.6%
20257,444450.61%

Median Age

Overall: 39.6 years
Female: 38.1 years
Male: 40.3 years

Cos Cob Adults

There are 5,338 adults, (1,166 of whom are seniors) in Cos Cob.

Sex Ratio

Female: 3,901 (51.7%)
Male: 3,645 (48.3%)

Demographics

The racial composition of Cos Cob includes 68.34% White, 6.93% other race, 6.55% Asian, 3.14% Black or African American, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5,15768.34%
Two or more races1,11414.76%
Other race5236.93%
Asian4946.55%
Black or African American2373.14%
Native American210.28%
Race
Population ↓
Percentage (of total)
Other race5066.71%
Two or more races3314.39%
White2943.9%
Race
Population ↓
Percentage (of total)
White4,86364.44%
Two or more races78310.38%
Asian4946.55%
Black or African American2373.14%
Native American210.28%
Other race170.23%

Cos Cob Marital Status

Economics and Income Statistics

Cos Cob 's average per capita income is $99,355. Household income levels show a median of $190,481. The poverty rate stands at 5.58%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$250,001-
Families$220,880$335,094
Households$190,481$289,307
Non Families$84,688$121,446

$99,355

Average Income

$190,481

Median Household Income

5.58%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)