City Comparison

Joliet vs Wilmington

Cost of Living Comparison · 2026

Joliet

Illinois
95
Below Average
$275,000
Median Home
$1,325/mo
Median Rent
$88,000
Median Income

Wilmington

Delaware
104
Average
$235,000
Median Home
$1,200/mo
Median Rent
$46,520
Median Income

The Verdict

8.7%

Living in Joliet costs 8.7% less than Wilmington. To match the purchasing power of a $75,000 salary in Joliet, you would need $82,105 in Wilmington.

Category-by-Category Breakdown

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

Housing
85
Joliet
104
Wilmington
Groceries
101
Joliet
103
Wilmington
Utilities
94
Joliet
106
Wilmington
Transportation
108
Joliet
103
Wilmington
Healthcare
102
Joliet
106
Wilmington

Salary Equivalence

A $75,000 salary in Joliet has the same purchasing power as $82,105 in Wilmington.

Conversely, $75,000 in Wilmington equals $68,510 in Joliet.

Living in Joliet vs Wilmington

Housing Costs

Joliet's housing index of 85 is lower Wilmington's 104, translating to median home prices of $275,000 vs $235,000. The $40,000 difference in home prices means roughly $2,604 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,325/mo in Joliet compared to $1,200/mo in Wilmington, a monthly difference of $125.

Grocery & Food Costs

Grocery expenses index at 101 in Joliet and 103 in Wilmington. A household spending the national average of $475/month on groceries would pay approximately $480/month in Joliet vs $489/month in Wilmington. 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 Joliet and 106 in Wilmington. Monthly utility bills average approximately $376 in Joliet vs $424 in Wilmington. 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 102 in Joliet and 106 in Wilmington. 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 $88,000 in Joliet and $46,520 in Wilmington. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $92,632 and $44,731 respectively. Joliet residents enjoy stronger real purchasing power despite higher nominal wages.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $2,053/month to housing in Joliet vs $1,085/month in Wilmington. In Joliet, median rent of $1,325/mo fits within this budget. In Wilmington, median rent of $1,200/mo pushes past the recommended limit. The biggest category-level difference between these two cities is Housing, where the gap is 19 index points — focus your budget analysis there.

Frequently Asked Questions

Joliet is 8.7% more affordable overall with an index of 95 vs 104.
A $75,000 salary in Joliet has equivalent purchasing power to approximately $82,105 in Wilmington, based on the cost of living difference.
Joliet's housing index is 85 with median homes at $275,000, while Wilmington's is 104 with median homes at $235,000.

Moving & Relocation Resources

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