City Comparison

Lancaster vs Naperville

Cost of Living Comparison · 2026

Lancaster

California
128
Expensive
$447,000
Median Home
$1,625/mo
Median Rent
$81,500
Median Income

Naperville

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

The Verdict

14.3%

Living in Naperville costs 14.3% less than Lancaster. To match the purchasing power of a $75,000 salary in Lancaster, you would need $65,625 in Naperville.

Category-by-Category Breakdown

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

Housing
148
Lancaster
130
Naperville
Groceries
109
Lancaster
104
Naperville
Utilities
111
Lancaster
99
Naperville
Transportation
138
Lancaster
116
Naperville
Healthcare
96
Lancaster
101
Naperville

Salary Equivalence

A $75,000 salary in Lancaster has the same purchasing power as $65,625 in Naperville.

Conversely, $75,000 in Naperville equals $85,714 in Lancaster.

Living in Lancaster vs Naperville

Housing Costs

Lancaster's housing index of 148 is higher Naperville's 130, translating to median home prices of $447,000 vs $430,000. The $17,000 difference in home prices means roughly $1,104 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,625/mo in Lancaster compared to $1,800/mo in Naperville, a monthly difference of $175.

Grocery & Food Costs

Grocery expenses index at 109 in Lancaster and 104 in Naperville. A household spending the national average of $475/month on groceries would pay approximately $518/month in Lancaster 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 111 in Lancaster and 99 in Naperville. Monthly utility bills average approximately $444 in Lancaster vs $396 in Naperville. Climate differences between the two cities drive much of this gap, with heating and cooling costs varying substantially by region.

Healthcare

Healthcare costs index at 96 in Lancaster 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 $81,500 in Lancaster and $118,254 in Naperville. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $63,672 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 $1,902/month to housing in Lancaster vs $2,759/month in Naperville. In Lancaster, median rent of $1,625/mo fits within this budget. In Naperville, median rent of $1,800/mo remains manageable. The biggest category-level difference between these two cities is Transportation, where the gap is 22 index points — focus your budget analysis there.

Frequently Asked Questions

Naperville is 14.3% more affordable overall with an index of 112 vs 128.
A $75,000 salary in Lancaster has equivalent purchasing power to approximately $65,625 in Naperville, based on the cost of living difference.
Lancaster's housing index is 148 with median homes at $447,000, while Naperville's is 130 with median homes at $430,000.

Moving & Relocation Resources

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