What is the cost of living in Cos Cob, CT?
According to the most recent data on the cost of living, Cos Cob has an overall cost of living index of 217, which is 2.2x higher than the national index of 100.
Compared to Connecticut, Cos Cob has a cost of living index that's 1.9x higher than Connecticut's index of 116.
The standard of living in Cos Cob ranks as #52 most affordable out of the 55 places we measured in Connecticut. By definition, that implies Cos Cob ranks as the #3 most expensive place in the Constitution State.
For more reading on life in Cos Cob, check out:
Cos Cob Cost Of Living Vs. Connecticut
Six factors go into calculating the cost of living index in Cos Cob. Here is how it fares on each of the criteria:
The Services index in Cos Cob is 107.
The Groceries index in Cos Cob is 111.
The Health index in Cos Cob is 459.
The Housing index in Cos Cob is 112.
The Transportation index in Cos Cob is 110.
The Utilities index in Cos Cob is 117.
| Living Expense | Cos Cob | Connecticut | National Average |
|---|---|---|---|
| Overall | 217 | 116 | 100 |
| Services | 107 | 107 | 100 |
| Groceries | 111 | 111 | 100 |
| Health | 459 | 137 | 100 |
| Housing | 112 | 108 | 100 |
| Transportation | 110 | 110 | 100 |
| Utilities | 117 | 111 | 100 |
Cos Cob Cost Of Living Compared To Connecticut Averages
Index where 100 = national average. Source: cost-of-living index 2026.
For more reading on cost of living around Connecticut, check out:
- Most Expensive Cities In Connecticut
- Most Affordable Cities In Connecticut
- Average Rent In Connecticut
Source: Cost-of-living index 2026, normalized to US average = 100
Cos Cob, CT Housing Cost Breakdown
Housing swings affordability the most between places in Connecticut, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2020-2024. The key points are:
The Median Home Value in Cos Cob is $1,439,703.
The Median Rent in Cos Cob is $3,067.
The Median Income in Cos Cob is $190,481.
The Home Value To Income in Cos Cob is 7.6x.
The Rent To Monthly Income in Cos Cob is 0.19x.
| Statistic | Cos Cob | Connecticut | United States |
|---|---|---|---|
| Median Home Value | $1,439,703 | $436,407 | $332,700 |
| Median Rent | $3,067 | $1,488 | $1,413 |
| Median Income | $190,481 | $95,781 | $80,734 |
| Home Value To Income | 7.6x | 4.6x | 4.1x |
| Rent To Monthly Income | 0.19x | 0.19x | 0.21x |
Cos Cob, CT Costs By Category
Detailed Cos Cob Services costs vs. Connecticut
| Item | Cos Cob | Connecticut |
|---|---|---|
| Shampoo | $1.5 | $1.28 |
| Movie | $13.76 | $12.13 |
| Bowling | $19.63 | $18 |
| Haircut | $32.33 | $24.26 |
| Beauty Salon | $48.56 | $45.56 |
Detailed Cos Cob Groceries costs vs. Connecticut
| Item | Cos Cob | Connecticut |
|---|---|---|
| Ground Beef | $6.34 | $5.84 |
| Fried Chicken | $1.61 | $1.57 |
| Milk | $4.73 | $4.67 |
| Potatoes | $5.03 | $4.93 |
| Pizza | $10.07 | $12.09 |
| Beer | $10.62 | $10.41 |
| Toothpaste | $3.66 | $3.7 |
Detailed Cos Cob Health costs vs. Connecticut
| Item | Cos Cob | Connecticut |
|---|---|---|
| Optometrist | $140.1 | $125.68 |
| Doctor | $143.23 | $135.78 |
| Dentist | $123.0 | $113.29 |
Detailed Cos Cob Transportation costs vs. Connecticut
| Item | Cos Cob | Connecticut |
|---|---|---|
| Gasoline | $3.33 | $3.46 |
| Tire Balancing | $57.68 | $59.92 |
Detailed Cos Cob Utilities costs vs. Connecticut
| Item | Cos Cob | Connecticut |
|---|---|---|
| All Electricity | $281.67 | $193.99 |
| Phone | $185.16 | $192.25 |
Cos Cob SnackAbility
Cost Of Living In Cities Around Cos Cob
The cost of living varies in the cities and towns around Cos Cob. Here's a quick look at the cost of living in the most populous nearby places:
Stamford, CT has a cost of living index of 158, 0.7x Cos Cob.
Port Chester, NY has a cost of living index of 148, 0.7x Cos Cob.
Plainview, NY has a cost of living index of 166, 0.8x Cos Cob.
| City | Population | Cost Of Living | Vs. Cos Cob |
|---|---|---|---|
| Stamford, CT | 137,144 | 158 | 0.7x |
| Port Chester, NY | 31,102 | 148 | 0.7x |
| Plainview, NY | 25,982 | 166 | 0.8x |
| Syosset, NY | 18,433 | 180 | 0.8x |
| Port Washington, NY | 18,004 | 196 | 0.9x |
| Greenwich, CT | 14,792 | 235 | 1.1x |
| Jericho, NY | 13,759 | 195 | 0.9x |
| Rye Brook, NY | 9,900 | 188 | 0.9x |
| Riverside, CT | 8,954 | 277 | 1.3x |
| Briarcliff Manor, NY | 7,519 | 178 | 0.8x |
