Cos Cob, CT Demographics

What is the population of Cos Cob?

There are 7,243 residents in Cos Cob, with a median age of 39.7. Of this, 47.8% are males and 52.2% are females. US-born citizens make up 74.15% of the resident pool in Cos Cob, while non-US-born citizens account for 14.61%. Additionally, 11.24% of the population is represented by non-citizens. A total of 6,085 people in Cos Cob currently live in the same house as they did last year.
Y-o-Y Change
Total Population 7,243 2.2%
Male Population 3,462 -0.2%
Female Population 3,781 4.4%
Male Population 47.8%
Female Population 52.2%
Y-o-Y Change
Median Age 39.7 -3.4%
Citizen U.S. Born 5,371 -1.0%
Citizen not U.S. Born 1,058 25.8%
Not Citizen 814 -1.0%
Citizen U.S. Born 74.15%
Citizen not U.S. Born 14.61%
Not Citizen 11.24%
Y-o-Y Change
Moved from Abroad 144 8.3%
Moved from Same County 524 -8.7%
Moved from Same State 8 -77.8%
Moved from Different State 273 58.7%
Same House as Last Year 6,085 0.9%
Moved from Abroad 2.05%
Moved from Same County 7.45%
Moved from Same State 0.11%
Moved from Different State 3.88%
Same House as Last Year 86.51%

What are the employment statistics in Cos Cob?

White-collar workers make up 86.26% of the working population in Cos Cob, while blue-collar employees account for 13.74%. There are also 669 entrepreneurs in Cos Cob (18.02% of the workforce); 2,522 workers employed in private companies (67.92%); and 299 people working in governmental institutions (8.05%).
Y-o-Y Change
White Collar 3,203 0.8%
Blue Collar 510 -3.6%
White Collar 86.26%
Blue Collar 13.74%
Y-o-Y Change
Self Employees 669 -13.2%
Private Companies 2,522 6.6%
Governmental Workers 299 -17.9%
Not for Profit Companies 223 9.3%
Self Employees 18.02%
Private Companies 67.92%
Governmental Workers 8.05%
Not for Profit Companies 6.01%

How many households are there in Cos Cob?

There are a total of 2,553 households in Cos Cob, each made up of around 3 members. Family establishments represent 78.85% of these Cos Cob households, while non-family units account for the remaining 21.15%. Additionally, 45.79% of households have children and 54.21% of households are without children.
Y-o-Y Change
Total households 2,553 -0.7%
Average People per Household 3 N/A
Family Households 2,013 5.8%
Non-Family Households 540 -19.4%
Family Households 78.85%
Non-Family Households 21.15%
Y-o-Y Change
Households with Children 1,169 7.0%
Households without Children 1,384 -6.4%
Households with Children 45.79%
Households without Children 54.21%

What are the median and average incomes in Cos Cob?

The average annual household income in Cos Cob is $261,845, while the median household income sits at $185,125 per year. Residents aged 25 to 44 earn $206,397, while those between 45 and 64 years old have a median wage of $223,580.
Y-o-Y Change
Average Household Income $261,845 16.8%
Median Household Income $185,125 34.0%
People below Poverty Level -24 N/A
People above Poverty Level 6,615 3.7%

How many homeowners and renters are there in Cos Cob?

There are 2,633 housing units in Cos Cob, and the median year in which these properties were built is 1960. Of the 2,553 occupied housing units in Cos Cob, 66.04% are owner-occupied, while 33.96% have renters living in them. Meanwhile, properties bought with mortgages account for 72.54% of the units, and the median value of a home with a mortgage is $1,121,300. In general, housing costs reach $3,144 per month in Cos Cob.
Y-o-Y Change
Housing Units 2,633 -0.4%
Median Year Built 1960 -0.1%
Built in 1939 or Earlier 746 0.0%
Built between 1940 and 1949 102 34.2%
Built between 1950 and 1959 461 -0.2%
Built between 1960 and 1969 322 -15.7%
Built between 1970 and 1979 285 -19.0%
Built between 1980 and 1989 252 -6.0%
Built between 1990 and 1999 129 -16.2%
Built between 2000 and 2009 145 0.0%
Built between 2010 and 2019 191 229.3%
Y-o-Y Change
Occupied Housing Units 2,553 -0.7%
Owner Occupied 1,686 -3.5%
Renter Occupied $867 5.1%
Owner Occupied 66.04%
Renter Occupied 33.96%
Y-o-Y Change
With Mortgage 1,223 -5.8%
Without Mortgage 463 3.4%
Median Value with Mortgage $1,121,300 12.1%
Median Value without Mortgage $1,230,100 17.1%
Median Housing Costs per Month $3,144 7.1%
With Mortgage 72.54%
Without Mortgage 27.46%

What is the level of education in Cos Cob?

Approximately 21.43% of the population in Cos Cob holds a high school degree (that's 1,115 residents), while 7.71% have attained a college certificate (502 locals) and 31.76% have a bachelor's degree (1,652 people).
Y-o-Y Change
No High School 105 -27.1%
Some High School 1,115 -0.9%
Some College 502 -5.1%
Associate Degree 257 -16.8%
Bachelor's Degree 1,652 -3.2%
Graduate Degree 1,672 13.7%
No High School 2.02%
Some High School 21.43%
Some College 7.71%
Associate Degree 4.94%
Bachelor's Degree 31.76%
Graduate Degree 32.14%

What is the marital status of Cos Cob residents?

A total of 1,626 people in Cos Cob have never been married (which represents 28.32% of the total population), while 3,578 of them are wedded (62.31%). Separated and divorced residents are in smaller numbers, at 26 (0.45%) and 420 (7.31%), respectively.
Y-o-Y Change
Never Married 1,626 1.8%
Married 3,578 10.1%
Separated 26 -29.7%
Widowed 118 -36.6%
Divorced 420 420.0%
Never Married 28.32%
Married 62.31%
Separated 0.45%
Widowed 2.06%
Divorced 7.31%

What are the most common means of transportation in Cos Cob?

The top three means of transportation people in Cos Cob use to get to work are: car, railroad and walking. A total of 2,167 residents commute by car, 340 prefer going to work by railroad and 71 by walking
Y-o-Y Change
Car 2,167 -6.7%
Subway or Elevated 10 N/A
Railroad 340 N/A
TaxiCab 4 33.3%
Walk 71 129.0%

What is the median and average household income in Cos Cob by zipcode?

ZipCode Population Number of Households Median Income Average Income
06807 7,641 2,725 $190,515.00 $292,140.00

Methodology & Disclaimers

Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2022 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.