Cincinnati is 5% more expensive than St. Louis.
When comparing Cincinnati, OH and St. Louis, MO, the overall cost of living indices are 69 and 66 respectively (national median = 100). Rent is comparable in both cities, with less than $50/month separating them.
Median household income is $3,572/year higher in St. Louis. Home values also differ significantly — the median in Cincinnati is $215,300 compared to $185,100 in St. Louis.
Ohio has a lower income tax rate, making Cincinnati slightly more tax-friendly.
Cincinnati vs St. Louis — common questions
Other cost of living comparisons for Cincinnati and St. Louis