Cost of Living in Groton, CT
Cost indexes, living wages, and fair market rents — 2024 Data
Cost of Living Overview
Overall Index
116.4
100 = national avg
+16.4 vs national average
Living Wage (1 Adult)
$51,211
per year
Living Wage (Family of 4)
$121,044
per year
Cost Index by Category
Housing143.7
Food103.4
Transportation88.4
Healthcare102.7
Utilities110.7
100 = national average. Higher = more expensive.
The overall cost of living index in Groton is 116.4, which is 16.4% above the national average. Housing costs are above the national average at an index of 143.7. A single adult needs to earn approximately $51,211 per year to cover basic expenses.