St. Louis is 67% cheaper than Arlington.
When comparing St. Louis, MO and Arlington, VA, the overall cost of living indices are 66 and 203 respectively (national median = 100). Rent is $1,297/month cheaper in St. Louis, saving renters about $15,564/year.
Median household income is $84,881/year higher in Arlington. Home values also differ significantly — the median in St. Louis is $185,100 compared to $864,800 in Arlington.
Missouri has a lower income tax rate, making St. Louis slightly more tax-friendly.
St. Louis vs Arlington — common questions
Other cost of living comparisons for St. Louis and Arlington