City Comparison

Flagstaff vs Naperville

Cost of Living Comparison · 2026

Flagstaff

Arizona
116
Above Average
$655,000
Median Home
$1,750/mo
Median Rent
$68,000
Median Income

Naperville

Illinois
112
Above Average
$430,000
Median Home
$1,800/mo
Median Rent
$118,254
Median Income

The Verdict

3.6%

Living in Naperville costs 3.6% less than Flagstaff. To match the purchasing power of a $75,000 salary in Flagstaff, you would need $72,414 in Naperville.

Category-by-Category Breakdown

Index values · National average = 100 · Lower is more affordable

Housing
178
Flagstaff
130
Naperville
Groceries
102
Flagstaff
104
Naperville
Utilities
92
Flagstaff
99
Naperville
Transportation
109
Flagstaff
116
Naperville
Healthcare
102
Flagstaff
101
Naperville

Salary Equivalence

A $75,000 salary in Flagstaff has the same purchasing power as $72,414 in Naperville.

Conversely, $75,000 in Naperville equals $77,679 in Flagstaff.

Living in Flagstaff vs Naperville

Housing Costs

Flagstaff's housing index of 178 is higher Naperville's 130, translating to median home prices of $655,000 vs $430,000. The $225,000 difference in home prices means roughly $14,628 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,750/mo in Flagstaff compared to $1,800/mo in Naperville, a monthly difference of $50.

Grocery & Food Costs

Grocery expenses index at 102 in Flagstaff and 104 in Naperville. A household spending the national average of $475/month on groceries would pay approximately $485/month in Flagstaff vs $494/month in Naperville. 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 92 in Flagstaff and 99 in Naperville. Monthly utility bills average approximately $368 in Flagstaff vs $396 in Naperville. Utility costs are relatively comparable between these two cities.

Healthcare

Healthcare costs index at 102 in Flagstaff and 101 in Naperville. 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 $68,000 in Flagstaff and $118,254 in Naperville. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $58,621 and $105,584 respectively. Naperville residents come out ahead in real purchasing power.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $1,587/month to housing in Flagstaff vs $2,759/month in Naperville. In Flagstaff, median rent of $1,750/mo exceeds this threshold, suggesting renters may feel stretched. In Naperville, median rent of $1,800/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 48 index points — focus your budget analysis there.

Frequently Asked Questions

Naperville is 3.6% more affordable overall with an index of 112 vs 116.
A $75,000 salary in Flagstaff has equivalent purchasing power to approximately $72,414 in Naperville, based on the cost of living difference.
Flagstaff's housing index is 178 with median homes at $655,000, while Naperville's is 130 with median homes at $430,000.

Moving & Relocation Resources

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