Columbus is 14% cheaper than Columbia.
When comparing Columbus, GA and Columbia, SC, the overall cost of living indices are 69 and 80 respectively (national median = 100). Rent is $86/month cheaper in Columbus, saving renters about $1,032/year.
Median household income is $969/year higher in Columbus. Home values also differ significantly — the median in Columbus is $182,300 compared to $243,500 in Columbia.
Georgia has a lower income tax rate, making Columbus slightly more tax-friendly.
Columbus vs Columbia — common questions
Other cost of living comparisons for Columbus and Columbia