According to the most recent data on the cost of living, Groton has an overall cost of living index of 112 which is 1.1x higher than the national index of 100.
Compared to only Connecticut, Groton has a cost of living index that's 0.9x lower than Connecticut's index of 124.
The standard of living in Groton ranks as #4,292 most affordable out of the 6,522 places we measured in Connecticut. By definition, that implies Groton ranks as the #2,114 most expensive place in the Constitution State.
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Housing swings affordability the most between places in Connecticut, so we broke down the statistics around housing costs into more detail. It's also important to consider median household incomes to make apples-to-apples comparisons across locations.
Home and income come data comes from the most recent US Census ACS 2014-2018.