Boulder vs Great Falls
Cost of Living Comparison · 2026
Boulder
Great Falls
The Verdict
The cost gap between these cities is 68.2%, with Great Falls being the more affordable option. A $75,000 income in Boulder has equivalent purchasing power to $44,595 in Great Falls.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in Boulder has the same purchasing power as $44,595 in Great Falls.
Conversely, $75,000 in Great Falls equals $126,136 in Boulder.
Living in Boulder vs Great Falls
Housing Costs
Boulder's housing index of 230 is higher Great Falls's 82, translating to median home prices of $750,000 vs $325,000. The $425,000 difference in home prices means roughly $27,624 per year in additional mortgage costs at current rates. Renters face a similar gap: $2,300/mo in Boulder compared to $1,050/mo in Great Falls, a monthly difference of $1,250.
Grocery & Food Costs
Grocery expenses index at 107 in Boulder and 99 in Great Falls. A household spending the national average of $475/month on groceries would pay approximately $508/month in Boulder vs $470/month in Great Falls. Great Falls offers a meaningful advantage on everyday food costs, saving roughly $456/year.
Utility Expenses
Utility costs — electricity, gas, water, internet — index at 94 in Boulder and 90 in Great Falls. Monthly utility bills average approximately $376 in Boulder vs $360 in Great Falls. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 104 in Boulder and 92 in Great Falls. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 12-point gap reflects real differences in provider costs, insurance market competition, and regional healthcare infrastructure.
Income & Purchasing Power
Median household income is $73,123 in Boulder and $55,800 in Great Falls. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $49,407 and $63,409 respectively. Great Falls residents come out ahead in real purchasing power.
Relocation Considerations
Under the standard 28% rule, a median-income household can allocate $1,706/month to housing in Boulder vs $1,302/month in Great Falls. In Boulder, median rent of $2,300/mo exceeds this threshold, suggesting renters may feel stretched. In Great Falls, median rent of $1,050/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 148 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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