St. Louis is 12% cheaper than Killeen.
When comparing St. Louis, MO and Killeen, TX, the overall cost of living indices are 66 and 75 respectively (national median = 100). Rent is $169/month cheaper in St. Louis, saving renters about $2,028/year.
Median household income is $3,060/year higher in Killeen. Home values also differ significantly — the median in St. Louis is $185,100 compared to $196,000 in Killeen.
Texas has no state income tax, giving Killeen residents a significant tax advantage over Missouri's 4.95% rate.
St. Louis vs Killeen — common questions
Other cost of living comparisons for St. Louis and Killeen