City Comparison

Modesto vs Rapid City

Cost of Living Comparison · 2026

Modesto

California
112
Above Average
$380,000
Median Home
$1,400/mo
Median Rent
$55,138
Median Income

Rapid City

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

The Verdict

14.3%

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

Category-by-Category Breakdown

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

Housing
121
Modesto
91
Rapid City
Groceries
100
Modesto
102
Rapid City
Utilities
108
Modesto
87
Rapid City
Transportation
111
Modesto
102
Rapid City
Healthcare
100
Modesto
107
Rapid City

Salary Equivalence

A $75,000 salary in Modesto has the same purchasing power as $65,625 in Rapid City.

Conversely, $75,000 in Rapid City equals $85,714 in Modesto.

Living in Modesto vs Rapid City

Housing Costs

Modesto's housing index of 121 is higher Rapid City's 91, translating to median home prices of $380,000 vs $325,000. The $55,000 difference in home prices means roughly $3,576 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,400/mo in Modesto compared to $1,100/mo in Rapid City, a monthly difference of $300.

Grocery & Food Costs

Grocery expenses index at 100 in Modesto and 102 in Rapid City. A household spending the national average of $475/month on groceries would pay approximately $475/month in Modesto vs $485/month in Rapid City. 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 108 in Modesto and 87 in Rapid City. Monthly utility bills average approximately $432 in Modesto vs $348 in Rapid City. 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 100 in Modesto and 107 in Rapid City. 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 $55,138 in Modesto and $70,900 in Rapid City. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $49,230 and $72,347 respectively. Rapid City residents come out ahead in real purchasing power.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $1,287/month to housing in Modesto vs $1,654/month in Rapid City. In Modesto, median rent of $1,400/mo exceeds this threshold, suggesting renters may feel stretched. In Rapid City, median rent of $1,100/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 30 index points — focus your budget analysis there.

Frequently Asked Questions

Rapid City is 14.3% more affordable overall with an index of 98 vs 112.
A $75,000 salary in Modesto has equivalent purchasing power to approximately $65,625 in Rapid City, based on the cost of living difference.
Modesto's housing index is 121 with median homes at $380,000, while Rapid City's is 91 with median homes at $325,000.

Moving & Relocation Resources

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