Connecticut's cost of living index is 127 — 27.0% above the US average of 100. Compare purchasing power and equivalent salaries across states.
CoL Index
127
US avg = 100
vs. National Avg
+27.0%
More expensive
Median Income
$79,855
Connecticut median household
Equiv. at US Avg
$62,878
Same purchasing power
| CoL Index | 127 | MIT/MERIC composite index (US avg = 100) |
| vs. National | +27.0% | Above average cost |
| Median Household Income | $79,855 | Connecticut median (2023 ACS) |
| National Purchasing Power | $62,878 | Equivalent $ at US avg CoL |
| Overall Category | High | Qualitative classification |
| Population | 3,605,944 | 2020 US Census |
With a cost of living index of 127, Connecticut is 27% above the national average. Higher costs in Connecticut mean your dollar stretches less far than in most states. A salary of $79,855 in Connecticut provides the equivalent purchasing power of $62,878 in a state with average cost of living.
Housing is typically the largest driver of cost of living differences between states.Connecticut's median home price of $380,000 is near the national median of approximately $310,000. Other factors include state income tax (6.99% top rate in Connecticut), sales tax (6.35% state rate), and local property tax rates (2.14%).