Baltimore is 27% more expensive than St. Louis.
When comparing Baltimore, MD and St. Louis, MO, the overall cost of living indices are 84 and 66 respectively (national median = 100). Rent is $312/month cheaper in St. Louis, saving renters about $3,744/year.
Median household income is $4,344/year higher in Baltimore. Home values also differ significantly — the median in Baltimore is $219,300 compared to $185,100 in St. Louis.
Missouri has a lower income tax rate, making St. Louis slightly more tax-friendly.
Baltimore vs St. Louis — common questions
Other cost of living comparisons for Baltimore and St. Louis