salaryRent here is among the highest 10% in the country. Household incomes are higher than in 97% of U.S. cities. A typical house costs about 5.9 years of household income. It is a highly educated city: 70.2% of adults have a college degree.
How much money do I need?
To rent here comfortably, you should earn about $140,040 a year. That is $67 an hour at a full-time job.
Is rent cheaper than other Connecticut cities?
No. Rent here is more expensive than in most of Connecticut. It is number 60 of 64 cities from cheapest to most expensive.
How much do households earn in Cos Cob?
Share of households by yearly income. 64.7% of households earn $100,000 or more.
Rent by apartment size in Cos Cob
| Size | Cos Cob | U.S. average |
|---|---|---|
| 1 bedroom | $1,699 | $1,324 |
| 2 bedrooms | $2,617 | $1,509 |
| 3 bedrooms | $3,806 | $1,698 |
| 4 bedrooms | $3,500+ | $2,098 |
Median monthly rent plus utilities for all renters, by number of bedrooms.
How expensive is Cos Cob overall?
Everyday prices in Connecticut overall are 4% above the U.S. average (index 103.6, U.S. = 100).
Source: U.S. Bureau of Economic Analysis, Regional Price Parities 2024. City-level data is not published for Cos Cob, so the Connecticut figure is shown.
Taxes and bills in Cos Cob
Life in Cos Cob
Is it cheaper to rent or buy in Cos Cob?
Renting is cheaper right now: about $4,897 a month less.
Owning assumes a typical $1,210,400 home, 10% down, a 30-year loan at 6.5% and about 1.5% a year for taxes and insurance. You would also need $121,040 for the down payment.
Frequently asked questions
What is the average rent in Cos Cob, CT?
Renting in Cos Cob costs a median of about $3,500+ a month in 2026, including utilities. The Connecticut median is $1,920.
How much do I need to make to live in Cos Cob?
To keep rent under 30% of income, you need about $140,040 a year, or $67 an hour at a full-time job.
Is Cos Cob cheap or expensive?
Cos Cob is rated OK: rent takes 20.5% of the typical household income of $205,434. It ranks 60th cheapest of 64 Connecticut cities we track.
How much are property taxes in Cos Cob?
The median homeowner in Cos Cob pays $8,168 a year in property taxes, about 0.67% of the median home value.
Is Cos Cob more expensive than the national average?
Overall prices in Connecticut are 4% above the U.S. average, according to the U.S. Bureau of Economic Analysis.
How much does a house cost in Cos Cob?
The median home value in Cos Cob is $1,210,400, about 5.9 times the typical yearly household income.
7,546 people live in Cos Cob. Numbers are typical (middle) values.