St. Louis is 57% cheaper than Vallejo.
When comparing St. Louis, MO and Vallejo, CA, the overall cost of living indices are 66 and 155 respectively (national median = 100). Rent is $1,035/month cheaper in St. Louis, saving renters about $12,420/year.
Median household income is $34,217/year higher in Vallejo. Home values also differ significantly — the median in St. Louis is $185,100 compared to $557,500 in Vallejo.
Missouri has a lower income tax rate, making St. Louis slightly more tax-friendly.
St. Louis vs Vallejo — common questions
Other cost of living comparisons for St. Louis and Vallejo