Boulder vs Twin Falls
Cost of Living Comparison · 2026
Boulder
Twin Falls
The Verdict
The cost gap between these cities is 60.9%, with Twin Falls being the more affordable option. A $75,000 income in Boulder has equivalent purchasing power to $46,622 in Twin 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 $46,622 in Twin Falls.
Conversely, $75,000 in Twin Falls equals $120,652 in Boulder.
Living in Boulder vs Twin Falls
Housing Costs
Boulder's housing index of 230 is higher Twin Falls's 93, translating to median home prices of $750,000 vs $380,000. The $370,000 difference in home prices means roughly $24,048 per year in additional mortgage costs at current rates. Renters face a similar gap: $2,300/mo in Boulder compared to $1,150/mo in Twin Falls, a monthly difference of $1,150.
Grocery & Food Costs
Grocery expenses index at 107 in Boulder and 98 in Twin Falls. A household spending the national average of $475/month on groceries would pay approximately $508/month in Boulder vs $466/month in Twin Falls. Twin Falls offers a meaningful advantage on everyday food costs, saving roughly $504/year.
Utility Expenses
Utility costs — electricity, gas, water, internet — index at 94 in Boulder and 85 in Twin Falls. Monthly utility bills average approximately $376 in Boulder vs $340 in Twin Falls. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 104 in Boulder and 94 in Twin Falls. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 10-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 $60,900 in Twin Falls. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $49,407 and $66,196 respectively. Twin 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 $1,421/month in Twin Falls. In Boulder, median rent of $2,300/mo exceeds this threshold, suggesting renters may feel stretched. In Twin Falls, median rent of $1,150/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 137 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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