Naperville vs Roswell
Cost of Living Comparison · 2026
Naperville
Roswell
The Verdict
Living in Naperville costs 0.9% less than Roswell. To match the purchasing power of a $75,000 salary in Naperville, you would need $75,670 in Roswell.
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 $75,670 in Roswell.
Conversely, $75,000 in Roswell equals $74,336 in Naperville.
Living in Naperville vs Roswell
Housing Costs
Naperville's housing index of 130 is lower Roswell's 187, translating to median home prices of $430,000 vs $647,000. The $217,000 difference in home prices means roughly $14,100 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,800/mo in Naperville compared to $1,700/mo in Roswell, a monthly difference of $100.
Grocery & Food Costs
Grocery expenses index at 104 in Naperville and 101 in Roswell. A household spending the national average of $475/month on groceries would pay approximately $494/month in Naperville vs $480/month in Roswell. 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 98 in Roswell. Monthly utility bills average approximately $396 in Naperville vs $392 in Roswell. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 101 in Naperville and 103 in Roswell. 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 $118,254 in Naperville and $108,800 in Roswell. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $105,584 and $96,283 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 $2,539/month in Roswell. In Naperville, median rent of $1,800/mo fits within this budget. In Roswell, median rent of $1,700/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 57 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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