Boston is 123% more expensive than Springfield.
When comparing Boston, MA and Springfield, MA, the overall cost of living indices are 176 and 79 respectively (national median = 100). Rent is $979/month cheaper in Springfield, saving renters about $11,748/year.
Median household income is $43,416/year higher in Boston. Home values also differ significantly — the median in Boston is $710,400 compared to $222,700 in Springfield.
Both cities share the same state tax structure since they are in Massachusetts.
Boston vs Springfield — common questions
Other cost of living comparisons for Boston and Springfield