Overall 114%
Goods & Services 23%
Housing 334%
Date & Last Updated: This data reflects 2019 and was released from C2ER in January, 2020; this is the most current data available.
The cost of living index is based on a national average of 100. For example, if the cost of living is 90, then it is 10% lower than average. If the cost of living is 110, then it is 10% higher than average. The breakdown for each index is as follows: goods & services (33%), groceries (13%), health care (5%), housing (30%), transportation (9%) and utilities (10%). If the cost of living data was unavailable for this city, estimates based upon nearby cities were used.
IndexCos CobConnecticutNational
Cost of living214124100
Goods & Services123123100
Health care117112100

Key findings

  • The cost of living in Cos Cob is 72% higher than the Connecticut average
  • The cost of living in Cos Cob is 114% higher than the national average
  • Cos Cob housing is 334% higher than the national average
  • Connecticut general sales tax is 25% higher than the national average
  • Connecticut state income tax is 22% higher than the national average

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Compare Cos Cob, CT Cost of Living

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      Price difference in compared to
      Cost of living index
      Goods & Services index
      Groceries index
      Health care index
      Housing index
      Transportation index
      Utilities index

      Median Income & Debt-To-Income Ratio

      Median IncomePer YearPer MonthMax Budget (28% DTI)Max Budget (36% DTI)
      A good way to judge both the affordability of the housing and the cost of living in Cos Cob is by simply calculating the maximum that should be spent on housing, otherwise known as the debt-to-income ratio (DTI). The plan is to avoid spending more than 28 percent of the gross income on costs that pertain to housing and no more than 36 percent on all expenses and debts. Cos Cob has a median income of about $133,611 for people who own homes. Based on that number, a maximum of $3,117 should be spent on expenses related to housing. Renters have a slightly different median income, which is $129,125. Based on this average, renters should spend no more than $3,013 on all rental costs if they want to maintain a non-impoverished standard of living.

      Connecticut Sales Tax

      StateGeneral Sales TaxWith Max Surtax

      Connecticut Income Tax

      StateIncome Tax (Low)Income Tax (High)

      Goods & Services

      ItemCos CobNational avg.Difference
      Haircut $30.60$17.4975.0%
      Beauty Salon $59.00$38.1754.6%
      Toothpaste $2.05$2.3211.7%
      Shampoo $0.96$1.015.1%
      Movie $13.90$10.7229.6%
      Bowling $17.00$13.8622.6%


      ItemCos CobNational avg.Difference
      Ground Beef $4.57$3.9017.2%
      Fried Chicken $1.89$1.4035.4%
      Milk $2.15$1.969.6%
      Potatoes $3.99$3.1825.4%
      Pizza $9.39$10.399.7%
      Beer $9.89$9.237.2%

      Health Care

      ItemCos CobNational avg.Difference
      Optometrist $133.00$106.3425.1%
      Doctor $128.00$115.2511.1%
      Dentist $131.00$98.3833.2%
      Ibuprofen $7.95$9.2614.2%
      Lipitor $511.40$466.479.6%


      ItemCos CobNational avg.Difference
      Home Price $990,100.00$184,700.00436.1%
      Avg. Mortgage Payment $2,098.87$1,273.3264.8%
      Apartment Rent $1,852.00$949.0095.2%


      ItemCos CobNational avg.Difference
      Gasoline $2.98$2.5914.9%
      Tire Balancing $69.96$48.9043.1%


      ItemCos CobNational avg.Difference
      All Electricity$242.33$167.6044.6%
      Phone $174.02$163.426.5%
      Although the cost of living data is updated regularly, this cost of living information is to be used as estimates only as prices can change on an ongoing basis.

      Nearby cities with low cost of living

      City, StatePopulationCost of Living IndexNational Avg.
      Cannondale, CT9212020%
      Greenville CDP (Greene County), NY6041055%
      Hartsdale, NY5,41413131%
      Mount Vernon, NY68,21713030%
      Yonkers, NY199,72513232%
      Cos Cob, CT6,535214114%

      Cities with similar population

      City, StatePopulationCost of Living IndexNational Avg.
      Parkwood, WA6,53512323%
      Clarkston Heights-Vineland, WA6,5311055%
      Aquia Harbour, VA6,53013232%
      Brier, WA6,53014949%
      South Run, VA6,52919292%
      Cos Cob, CT6,535214114%
      Source: The Cos Cob, CT cost of living data displayed above is derived from the Council for Community and Economic Research (C2ER) for 2019.