Phoenix is 36% more expensive than Columbia.
When comparing Phoenix, AZ and Columbia, SC, the overall cost of living indices are 109 and 80 respectively (national median = 100). Rent is $300/month cheaper in Columbia, saving renters about $3,600/year.
Median household income is $21,388/year higher in Phoenix. Home values also differ significantly — the median in Phoenix is $381,900 compared to $243,500 in Columbia.
Arizona has a lower income tax rate, making Phoenix slightly more tax-friendly.
Phoenix vs Columbia — common questions
Other cost of living comparisons for Phoenix and Columbia