Cost of Living in Groton, CT

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B
10%
Overall NAT. AVG.
7%
Groceries NAT. AVG.
16%
Housing NAT. AVG.
Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index Groton Connecticut National
Cost of living110118100
Groceries107106100
Health care109111100
Housing116139100
Transportation105107100
Utilities107108100
Lifestyle & Entertainment110110100
Household Items103106100
Education & Childcare113116100
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Homes For Sale In Groton, CT

property for sale

95 Monument St

Groton, CT
property for sale

62 Fort Hill Rd

Groton, CT
property for sale

112 Ensign Dr

Mystic, CT
property for sale

87 Leafwood Ln #233

Groton, CT
See the Newest Homes For Sale In Groton, CT

Cost Of Living Quick Facts

  • The cost of living in Groton is 6% lower than the Connecticut average
  • The cost of living in Groton is 10% higher than the national average
  • Groton housing is 16% higher than the national average
  • Connecticut general sales tax is 24% higher than the national average
  • Connecticut state income tax is 16% higher than the national average

Most Affordable Places to Live in and Around Groton

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Compare Groton, CT Cost of Living

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      Salary Calculator

      This is how much you would need to earn in
      Price difference in compared to
      Cost of living index
      Groceries index
      Health care index
      Housing index
      Transportation index
      Utilities index
      Lifestyle index
      Household index
      Educare index

      Median Income & Debt-To-Income Ratio

      Median Income Per Year Per Month Max Budget (28% DTI) Max Budget (36% DTI)
      Owners$131,656$10,971$3,072$3,950
      Renters$53,669$4,472$1,252$1,610
      The percentage of monthly income spent on housing related expenses can help predict the affordability of housing in Groton, CT, as well as what the overall cost of living might be. Generally, a good rule to follow is that the debt-to-income (DTI) level you want to maintain is 28 percent or less of your income on your rent or mortgage payments and not more than 36 percent of income on all expenses and debts. In Groton, homeowners have a median income of $131,656. Using that number, a maximum of $3,072 per month should be allocated to housing expenses. For those who are renting instead of owning, the median income is $53,669, which means there is a maximum of $1,252 to be spent on the costs of renting a home or apartment.

      Connecticut Sales Tax

      State General Sales Tax With Max Surtax
      Connecticut 6.35% 6.35%

      Connecticut Income Tax

      State Income Tax (Low) Income Tax (High)
      Connecticut 3% 6.99%

      Nearby cities with low cost of living

      City Population Cost of Living Index National Avg.
      Fishers Island, NY631077.4%
      Poquonock Bridge, CT1,7011054.5%
      Oxoboxo River, CT2,8551066.0%
      New London, CT27,7121076.9%
      Waterford, CT3,01111211.5%
      Groton, CT9,27911010.0%

      Cities with similar population

      City Population Cost of Living Index National Avg.
      Boulder Hill, IL9,2821044.4%
      LaSalle, IL9,2829010.1%
      Roxborough Park, CO9,28314847.5%
      Sturgeon Bay, WI9,274946.1%
      Cameron, MO9,2848911.1%
      Groton, CT9,27911010.0%
      Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.
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