City Comparison

Knoxville vs Rapid City

Cost of Living Comparison · 2026

Knoxville

Tennessee
88
Below Average
$240,000
Median Home
$1,100/mo
Median Rent
$42,898
Median Income

Rapid City

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

The Verdict

10.2%

The cost gap between these cities is 10.2%, with Knoxville being the more affordable option. A $75,000 income in Knoxville has equivalent purchasing power to $83,523 in Rapid City.

Category-by-Category Breakdown

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

Housing
73
Knoxville
91
Rapid City
Groceries
94
Knoxville
102
Rapid City
Utilities
90
Knoxville
87
Rapid City
Transportation
97
Knoxville
102
Rapid City
Healthcare
93
Knoxville
107
Rapid City

Salary Equivalence

A $75,000 salary in Knoxville has the same purchasing power as $83,523 in Rapid City.

Conversely, $75,000 in Rapid City equals $67,347 in Knoxville.

Living in Knoxville vs Rapid City

Housing Costs

Knoxville's housing index of 73 is lower Rapid City's 91, translating to median home prices of $240,000 vs $325,000. The $85,000 difference in home prices means roughly $5,520 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,100/mo in Knoxville compared to $1,100/mo in Rapid City, a monthly difference of $0.

Grocery & Food Costs

Grocery expenses index at 94 in Knoxville and 102 in Rapid City. A household spending the national average of $475/month on groceries would pay approximately $447/month in Knoxville vs $485/month in Rapid City. Knoxville offers a meaningful advantage on everyday food costs, saving roughly $456/year.

Utility Expenses

Utility costs — electricity, gas, water, internet — index at 90 in Knoxville and 87 in Rapid City. Monthly utility bills average approximately $360 in Knoxville vs $348 in Rapid City. Utility costs are relatively comparable between these two cities.

Healthcare

Healthcare costs index at 93 in Knoxville and 107 in Rapid City. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 14-point gap reflects real differences in provider costs, insurance market competition, and regional healthcare infrastructure.

Income & Purchasing Power

Median household income is $42,898 in Knoxville and $70,900 in Rapid City. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $48,748 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 $1,001/month to housing in Knoxville vs $1,654/month in Rapid City. In Knoxville, median rent of $1,100/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 18 index points — focus your budget analysis there.

Frequently Asked Questions

Knoxville is 10.2% more affordable overall with an index of 88 vs 98.
A $75,000 salary in Knoxville has equivalent purchasing power to approximately $83,523 in Rapid City, based on the cost of living difference.
Knoxville's housing index is 73 with median homes at $240,000, while Rapid City's is 91 with median homes at $325,000.

Moving & Relocation Resources

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