Great Falls vs St. Louis
Cost of Living Comparison · 2026
Great Falls
St. Louis
The Verdict
Great Falls is 2.2% less expensive than St. Louis overall. A household earning $75,000 in Great Falls would need approximately $76,705 in St. Louis 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 Great Falls has the same purchasing power as $76,705 in St. Louis.
Conversely, $75,000 in St. Louis equals $73,333 in Great Falls.
Living in Great Falls vs St. Louis
Housing Costs
Great Falls's housing index of 82 is higher St. Louis's 72, translating to median home prices of $325,000 vs $175,000. The $150,000 difference in home prices means roughly $9,756 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,050/mo in Great Falls compared to $1,000/mo in St. Louis, a monthly difference of $50.
Grocery & Food Costs
Grocery expenses index at 99 in Great Falls and 97 in St. Louis. A household spending the national average of $475/month on groceries would pay approximately $470/month in Great Falls vs $461/month in St. Louis. 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 90 in Great Falls and 95 in St. Louis. Monthly utility bills average approximately $360 in Great Falls vs $380 in St. Louis. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 92 in Great Falls and 95 in St. Louis. 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 $55,800 in Great Falls and $45,782 in St. Louis. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $63,409 and $50,869 respectively. Great Falls residents enjoy stronger real purchasing power despite higher nominal wages.
Relocation Considerations
Under the standard 28% rule, a median-income household can allocate $1,302/month to housing in Great Falls vs $1,068/month in St. Louis. In Great Falls, median rent of $1,050/mo fits within this budget. In St. Louis, median rent of $1,000/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 10 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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