Boulder vs Elgin
Cost of Living Comparison · 2026
Boulder
Elgin
The Verdict
Living in Elgin costs 55.8% less than Boulder. To match the purchasing power of a $75,000 salary in Boulder, you would need $48,142 in Elgin.
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 $48,142 in Elgin.
Conversely, $75,000 in Elgin equals $116,842 in Boulder.
Living in Boulder vs Elgin
Housing Costs
Boulder's housing index of 230 is higher Elgin's 89, translating to median home prices of $750,000 vs $279,000. The $471,000 difference in home prices means roughly $30,612 per year in additional mortgage costs at current rates. Renters face a similar gap: $2,300/mo in Boulder compared to $1,375/mo in Elgin, a monthly difference of $925.
Grocery & Food Costs
Grocery expenses index at 107 in Boulder and 104 in Elgin. A household spending the national average of $475/month on groceries would pay approximately $508/month in Boulder vs $494/month in Elgin. 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 94 in Boulder and 89 in Elgin. Monthly utility bills average approximately $376 in Boulder vs $356 in Elgin. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 104 in Boulder and 105 in Elgin. 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 $90,300 in Elgin. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $49,407 and $95,053 respectively. Elgin 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 $2,107/month in Elgin. In Boulder, median rent of $2,300/mo exceeds this threshold, suggesting renters may feel stretched. In Elgin, median rent of $1,375/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 141 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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