Median Income
$185,125
household / year
Median Home Value
$1,138,300
owner-occupied
Median Rent
$2,412
gross / month
Cost of Living
106
national avg = 100

Is Cos Cob, CT a Good Place to Live?

Cos Cob is a small town of 7,243 in Connecticut, with a median household income of $185,125 and a 6.3% unemployment rate. Its cost of living index is 106 (US average = 100), which is 6% above the national average.

Strengths: Cos Cob stands out for solid school ratings (A+), a well-educated population.

Trade-offs: Potential downsides include high home prices, an elevated unemployment rate. Whether Cos Cob is right for you depends on your priorities — the full breakdown is below.

All Cos Cob city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 106.5

Cos Cob's overall cost of living index is 106.5, where 100 represents the US national average. Living in Cos Cob costs roughly 6% more than the average American city.

Metric Cos Cob, CT National Avg
Median Home Value $1,138,300 $244,900
Median Monthly Rent $2,412 $1,163
Homeownership Rate 66.0% 65.9%
Median Household Income $185,125 $74,755

Crime & Safety

Very Safe

Cos Cob's violent crime rate is 121.0 per 100,000 residents — 68% lower than the national average of ~380 per 100,000.

Violent Crime
121.0 /100k
Property Crime
810.8 /100k

Vertical marker = national average. Source: FBI UCR Program.

Schools & Education

Cos Cob is served primarily by Greenwich School District. The student-to-teacher ratio is 10.9:1 (better than the national average of ~16:1).

Metric Cos Cob, CT National Avg
School District Greenwich School District —
Elementary Schools 11 —
Middle Schools 3 —
High Schools 1 —
Student/Teacher Ratio 10.9:1 16:1
Bachelor's Degree or Higher 67.5% 35.4%
High School Diploma or Higher 95.1% 91.1%

Weather & Climate

Cos Cob sees average highs of 38.0°F in January and 84.8°F in July, with 50.6 inches of annual precipitation and 34.0 inches of snow per year.

MetricCos Cob, CT
Average High — January38.0°F
Average High — July84.8°F
Annual Precipitation50.6"
Annual Snowfall34.0"

Demographics

MetricCos Cob, CTNational Avg
Population7,243—
Median Age39.738.9
Unemployment Rate6.3%3.7%
Avg Commute Time28.9 min26 min
White (non-Hispanic)73.2%59.3%
Black or African American3.0%13.6%
Hispanic or Latino15.6%18.9%
Asian5.0%6.3%
Under 1828.2%22.2%
65 and over14.5%16.8%

Nearby Cities

ZIP Codes in Cos Cob

Cos Cob, CT is covered by 1 ZIP code:

Cos Cob vs Other Cities

Frequently Asked Questions

Cos Cob's cost of living index is 106, where 100 is the national average. That puts Cos Cob roughly 6% above the national average in cost. The median home price is $1,138,300 and median rent is $2,412/month.
Cos Cob's violent crime rate is 121.0 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 810.8 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.
Public schools in Cos Cob are operated by Greenwich School District. The district has 11 elementary, 3 middle, and 1 high schools. The student-to-teacher ratio is 10.9:1. 67.5% of adults 25+ hold a bachelor's degree or higher.
Cos Cob, CT has a population of 7,243, a median household income of $185,125, and an unemployment rate of 6.3%. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.
Cos Cob averages 38.0°F in January and 84.8°F in July. Annual rainfall is 50.6 inches with about 34.0 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).
Cos Cob, CT is covered by 1 ZIP code: 06807.
The population of Cos Cob, Connecticut is 7,243 with a median age of 39.7. Source: US Census ACS 5-Year Estimates.
Key numbers for living in Cos Cob: cost of living index 106 (100 = US average), median home $1,138,300, median household income $185,125, crime index 35 (100 = US average, lower is safer), schools rated A+. Whether these are benefits or drawbacks depends on where you're coming from — compare Cos Cob side by side with your current city to see the trade-offs.