St. Louis vs Trenton
Cost of Living Comparison · 2026
St. Louis
Trenton
The Verdict
St. Louis is 7.2% less expensive than Trenton overall. A household earning $75,000 in St. Louis would need approximately $80,833 in Trenton to maintain the same standard of living.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in St. Louis has the same purchasing power as $80,833 in Trenton.
Conversely, $75,000 in Trenton equals $69,588 in St. Louis.
Living in St. Louis vs Trenton
Housing Costs
St. Louis's housing index of 72 is higher Trenton's 71, translating to median home prices of $175,000 vs $203,000. The $28,000 difference in home prices means roughly $1,824 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,000/mo in St. Louis compared to $1,100/mo in Trenton, a monthly difference of $100.
Grocery & Food Costs
Grocery expenses index at 97 in St. Louis and 102 in Trenton. A household spending the national average of $475/month on groceries would pay approximately $461/month in St. Louis vs $485/month in Trenton. The difference in grocery costs between these cities is relatively minor and unlikely to be a deciding factor in relocation.
Utility Expenses
Utility costs — electricity, gas, water, internet — index at 95 in St. Louis and 109 in Trenton. Monthly utility bills average approximately $380 in St. Louis vs $436 in Trenton. Climate differences between the two cities drive much of this gap, with heating and cooling costs varying substantially by region.
Healthcare
Healthcare costs index at 95 in St. Louis and 96 in Trenton. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. Healthcare costs are relatively similar between these two cities, though individual plan costs can still vary.
Income & Purchasing Power
Median household income is $45,782 in St. Louis and $44,400 in Trenton. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $50,869 and $45,773 respectively. St. Louis residents enjoy stronger real purchasing power despite higher nominal wages.
Relocation Considerations
Under the standard 28% rule, a median-income household can allocate $1,068/month to housing in St. Louis vs $1,036/month in Trenton. In St. Louis, median rent of $1,000/mo fits within this budget. In Trenton, median rent of $1,100/mo pushes past the recommended limit. The biggest category-level difference between these two cities is Utilities, where the gap is 14 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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