Ontario is 19% more expensive than Charleston.
When comparing Ontario, CA and Charleston, SC, the overall cost of living indices are 152 and 128 respectively (national median = 100). Rent is $284/month cheaper in Charleston, saving renters about $3,408/year.
Median household income is $7,232/year higher in Charleston. Home values also differ significantly — the median in Ontario is $568,000 compared to $469,100 in Charleston.
South Carolina has a lower income tax rate, making Charleston slightly more tax-friendly.
Ontario vs Charleston — common questions
Other cost of living comparisons for Ontario and Charleston