Boston is 120% more expensive than Columbia.
When comparing Boston, MA and Columbia, SC, the overall cost of living indices are 176 and 80 respectively (national median = 100). Rent is $935/month cheaper in Columbia, saving renters about $11,220/year.
Median household income is $39,102/year higher in Boston. Home values also differ significantly — the median in Boston is $710,400 compared to $243,500 in Columbia.
South Carolina has a lower income tax rate, making Columbia slightly more tax-friendly.
Boston vs Columbia — common questions
Other cost of living comparisons for Boston and Columbia