Naperville vs Sparks
Cost of Living Comparison · 2026
Naperville
Sparks
The Verdict
Naperville is 5.9% less expensive than Sparks overall. A household earning $75,000 in Naperville would need approximately $79,688 in Sparks to maintain the same standard of living.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in Naperville has the same purchasing power as $79,688 in Sparks.
Conversely, $75,000 in Sparks equals $70,588 in Naperville.
Living in Naperville vs Sparks
Housing Costs
Naperville's housing index of 130 is lower Sparks's 162, translating to median home prices of $430,000 vs $500,000. The $70,000 difference in home prices means roughly $4,548 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,800/mo in Naperville compared to $1,475/mo in Sparks, a monthly difference of $325.
Grocery & Food Costs
Grocery expenses index at 104 in Naperville and 103 in Sparks. A household spending the national average of $475/month on groceries would pay approximately $494/month in Naperville vs $489/month in Sparks. 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 99 in Naperville and 90 in Sparks. Monthly utility bills average approximately $396 in Naperville vs $360 in Sparks. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 101 in Naperville and 88 in Sparks. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 13-point gap reflects real differences in provider costs, insurance market competition, and regional healthcare infrastructure.
Income & Purchasing Power
Median household income is $118,254 in Naperville and $67,200 in Sparks. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $105,584 and $56,471 respectively. Naperville residents enjoy stronger real purchasing power despite higher nominal wages.
Relocation Considerations
Under the standard 28% rule, a median-income household can allocate $2,759/month to housing in Naperville vs $1,568/month in Sparks. In Naperville, median rent of $1,800/mo fits within this budget. In Sparks, median rent of $1,475/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 32 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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