City Comparison

Lake Charles vs Rapid City

Cost of Living Comparison · 2026

Lake Charles

Louisiana
84
Very Affordable
$149,000
Median Home
$925/mo
Median Rent
$59,200
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%

The cost gap between these cities is 14.3%, with Lake Charles being the more affordable option. A $75,000 income in Lake Charles has equivalent purchasing power to $87,500 in Rapid City.

Category-by-Category Breakdown

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

Housing
69
Lake Charles
91
Rapid City
Groceries
96
Lake Charles
102
Rapid City
Utilities
71
Lake Charles
87
Rapid City
Transportation
102
Lake Charles
102
Rapid City
Healthcare
102
Lake Charles
107
Rapid City

Salary Equivalence

A $75,000 salary in Lake Charles has the same purchasing power as $87,500 in Rapid City.

Conversely, $75,000 in Rapid City equals $64,286 in Lake Charles.

Living in Lake Charles vs Rapid City

Housing Costs

Lake Charles's housing index of 69 is lower Rapid City's 91, translating to median home prices of $149,000 vs $325,000. The $176,000 difference in home prices means roughly $11,436 per year in additional mortgage costs at current rates. Renters face a similar gap: $925/mo in Lake Charles compared to $1,100/mo in Rapid City, a monthly difference of $175.

Grocery & Food Costs

Grocery expenses index at 96 in Lake Charles and 102 in Rapid City. A household spending the national average of $475/month on groceries would pay approximately $456/month in Lake Charles vs $485/month in Rapid City. Lake Charles offers a meaningful advantage on everyday food costs, saving roughly $348/year.

Utility Expenses

Utility costs — electricity, gas, water, internet — index at 71 in Lake Charles and 87 in Rapid City. Monthly utility bills average approximately $284 in Lake Charles 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 102 in Lake Charles 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 $59,200 in Lake Charles and $70,900 in Rapid City. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $70,476 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 $1,381/month to housing in Lake Charles vs $1,654/month in Rapid City. In Lake Charles, median rent of $925/mo fits within this budget. 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 22 index points — focus your budget analysis there.

Frequently Asked Questions

Lake Charles is 14.3% more affordable overall with an index of 84 vs 98.
A $75,000 salary in Lake Charles has equivalent purchasing power to approximately $87,500 in Rapid City, based on the cost of living difference.
Lake Charles's housing index is 69 with median homes at $149,000, while Rapid City's is 91 with median homes at $325,000.

Moving & Relocation Resources

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