City Comparison

Rapid City vs Rock Hill

Cost of Living Comparison · 2026

Rapid City

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

Rock Hill

South Carolina
100
Average
$305,000
Median Home
$1,125/mo
Median Rent
$65,800
Median Income

The Verdict

2.0%

Living in Rapid City costs 2.0% less than Rock Hill. To match the purchasing power of a $75,000 salary in Rapid City, you would need $76,531 in Rock Hill.

Category-by-Category Breakdown

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

Housing
91
Rapid City
79
Rock Hill
Groceries
102
Rapid City
105
Rock Hill
Utilities
87
Rapid City
94
Rock Hill
Transportation
102
Rapid City
103
Rock Hill
Healthcare
107
Rapid City
106
Rock Hill

Salary Equivalence

A $75,000 salary in Rapid City has the same purchasing power as $76,531 in Rock Hill.

Conversely, $75,000 in Rock Hill equals $73,500 in Rapid City.

Living in Rapid City vs Rock Hill

Housing Costs

Rapid City's housing index of 91 is higher Rock Hill's 79, translating to median home prices of $325,000 vs $305,000. The $20,000 difference in home prices means roughly $1,296 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,100/mo in Rapid City compared to $1,125/mo in Rock Hill, a monthly difference of $25.

Grocery & Food Costs

Grocery expenses index at 102 in Rapid City and 105 in Rock Hill. A household spending the national average of $475/month on groceries would pay approximately $485/month in Rapid City vs $499/month in Rock Hill. 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 94 in Rock Hill. Monthly utility bills average approximately $348 in Rapid City vs $376 in Rock Hill. Utility costs are relatively comparable between these two cities.

Healthcare

Healthcare costs index at 107 in Rapid City and 106 in Rock Hill. 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 $65,800 in Rock Hill. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $72,347 and $65,800 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 $1,535/month in Rock Hill. In Rapid City, median rent of $1,100/mo fits within this budget. In Rock Hill, median rent of $1,125/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 12 index points — focus your budget analysis there.

Frequently Asked Questions

Rapid City is 2.0% more affordable overall with an index of 98 vs 100.
A $75,000 salary in Rapid City has equivalent purchasing power to approximately $76,531 in Rock Hill, based on the cost of living difference.
Rapid City's housing index is 91 with median homes at $325,000, while Rock Hill's is 79 with median homes at $305,000.

Moving & Relocation Resources

Moving PlannersFinance BooksBudget Planners

As an Amazon Associate we earn from qualifying purchases