Boulder vs Rockford
Cost of Living Comparison · 2026
Boulder
Rockford
The Verdict
Living in Rockford costs 87.3% less than Boulder. To match the purchasing power of a $75,000 salary in Boulder, you would need $40,034 in Rockford.
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 $40,034 in Rockford.
Conversely, $75,000 in Rockford equals $140,506 in Boulder.
Living in Boulder vs Rockford
Housing Costs
Boulder's housing index of 230 is higher Rockford's 52, translating to median home prices of $750,000 vs $155,000. The $595,000 difference in home prices means roughly $38,676 per year in additional mortgage costs at current rates. Renters face a similar gap: $2,300/mo in Boulder compared to $950/mo in Rockford, a monthly difference of $1,350.
Grocery & Food Costs
Grocery expenses index at 107 in Boulder and 99 in Rockford. A household spending the national average of $475/month on groceries would pay approximately $508/month in Boulder vs $470/month in Rockford. Rockford 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 92 in Rockford. Monthly utility bills average approximately $376 in Boulder vs $368 in Rockford. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 104 in Boulder and 106 in Rockford. 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 $73,123 in Boulder and $53,300 in Rockford. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $49,407 and $67,468 respectively. Rockford 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 $1,244/month in Rockford. In Boulder, median rent of $2,300/mo exceeds this threshold, suggesting renters may feel stretched. In Rockford, median rent of $950/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 178 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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