Boulder vs Lafayette
Cost of Living Comparison · 2026
Boulder
Lafayette
The Verdict
Living in Lafayette costs 64.4% less than Boulder. To match the purchasing power of a $75,000 salary in Boulder, you would need $45,608 in Lafayette.
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 $45,608 in Lafayette.
Conversely, $75,000 in Lafayette equals $123,333 in Boulder.
Living in Boulder vs Lafayette
Housing Costs
Boulder's housing index of 230 is higher Lafayette's 73, translating to median home prices of $750,000 vs $214,000. The $536,000 difference in home prices means roughly $34,836 per year in additional mortgage costs at current rates. Renters face a similar gap: $2,300/mo in Boulder compared to $1,100/mo in Lafayette, a monthly difference of $1,200.
Grocery & Food Costs
Grocery expenses index at 107 in Boulder and 96 in Lafayette. A household spending the national average of $475/month on groceries would pay approximately $508/month in Boulder vs $456/month in Lafayette. Lafayette offers a meaningful advantage on everyday food costs, saving roughly $624/year.
Utility Expenses
Utility costs — electricity, gas, water, internet — index at 94 in Boulder and 97 in Lafayette. Monthly utility bills average approximately $376 in Boulder vs $388 in Lafayette. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 104 in Boulder and 80 in Lafayette. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 24-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 $61,900 in Lafayette. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $49,407 and $68,778 respectively. Lafayette 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 $1,444/month in Lafayette. In Boulder, median rent of $2,300/mo exceeds this threshold, suggesting renters may feel stretched. In Lafayette, median rent of $1,100/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 157 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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