St. Louis is 54% cheaper than Pomona.
When comparing St. Louis, MO and Pomona, CA, the overall cost of living indices are 66 and 143 respectively (national median = 100). Rent is $760/month cheaper in St. Louis, saving renters about $9,120/year.
Median household income is $23,590/year higher in Pomona. Home values also differ significantly — the median in St. Louis is $185,100 compared to $569,600 in Pomona.
Missouri has a lower income tax rate, making St. Louis slightly more tax-friendly.
St. Louis vs Pomona — common questions
Other cost of living comparisons for St. Louis and Pomona