City Comparison

Rapid City vs Wilmington

Cost of Living Comparison · 2026

Rapid City

South Dakota
98
Average
$325,000
Median Home
$1,100/mo
Median Rent
$70,900
Median Income

Wilmington

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

The Verdict

5.8%

Living in Rapid City costs 5.8% less than Wilmington. To match the purchasing power of a $75,000 salary in Rapid City, you would need $79,592 in Wilmington.

Category-by-Category Breakdown

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

Housing
91
Rapid City
104
Wilmington
Groceries
102
Rapid City
103
Wilmington
Utilities
87
Rapid City
106
Wilmington
Transportation
102
Rapid City
103
Wilmington
Healthcare
107
Rapid City
106
Wilmington

Salary Equivalence

A $75,000 salary in Rapid City has the same purchasing power as $79,592 in Wilmington.

Conversely, $75,000 in Wilmington equals $70,673 in Rapid City.

Living in Rapid City vs Wilmington

Housing Costs

Rapid City's housing index of 91 is lower Wilmington's 104, translating to median home prices of $325,000 vs $235,000. The $90,000 difference in home prices means roughly $5,856 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,100/mo in Rapid City compared to $1,200/mo in Wilmington, a monthly difference of $100.

Grocery & Food Costs

Grocery expenses index at 102 in Rapid City and 103 in Wilmington. A household spending the national average of $475/month on groceries would pay approximately $485/month in Rapid City 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 87 in Rapid City and 106 in Wilmington. Monthly utility bills average approximately $348 in Rapid City 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 107 in Rapid City 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 $70,900 in Rapid City and $46,520 in Wilmington. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $72,347 and $44,731 respectively. Rapid City residents enjoy stronger real purchasing power despite higher nominal wages.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $1,654/month to housing in Rapid City vs $1,085/month in Wilmington. In Rapid City, median rent of $1,100/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 Utilities, where the gap is 19 index points — focus your budget analysis there.

Frequently Asked Questions

Rapid City is 5.8% more affordable overall with an index of 98 vs 104.
A $75,000 salary in Rapid City has equivalent purchasing power to approximately $79,592 in Wilmington, based on the cost of living difference.
Rapid City's housing index is 91 with median homes at $325,000, while Wilmington's is 104 with median homes at $235,000.

Moving & Relocation Resources

Moving PlannersFinance BooksBudget Planners

As an Amazon Associate we earn from qualifying purchases