Charleston vs Lafayette
Cost of Living Comparison · 2026
Charleston
Lafayette
The Verdict
The cost gap between these cities is 22.2%, with Lafayette being the more affordable option. A $75,000 income in Charleston has equivalent purchasing power to $61,364 in Lafayette.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in Charleston has the same purchasing power as $61,364 in Lafayette.
Conversely, $75,000 in Lafayette equals $91,667 in Charleston.
Living in Charleston vs Lafayette
Housing Costs
Charleston's housing index of 127 is higher Lafayette's 73, translating to median home prices of $380,000 vs $214,000. The $166,000 difference in home prices means roughly $10,788 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,600/mo in Charleston compared to $1,100/mo in Lafayette, a monthly difference of $500.
Grocery & Food Costs
Grocery expenses index at 102 in Charleston and 96 in Lafayette. A household spending the national average of $475/month on groceries would pay approximately $485/month in Charleston vs $456/month in Lafayette. Lafayette offers a meaningful advantage on everyday food costs, saving roughly $348/year.
Utility Expenses
Utility costs — electricity, gas, water, internet — index at 99 in Charleston and 97 in Lafayette. Monthly utility bills average approximately $396 in Charleston vs $388 in Lafayette. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 104 in Charleston and 80 in Lafayette. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 24-point gap reflects real differences in provider costs, insurance market competition, and regional healthcare infrastructure.
Income & Purchasing Power
Median household income is $65,872 in Charleston and $61,900 in Lafayette. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $59,884 and $68,778 respectively. Lafayette residents come out ahead in real purchasing power.
Relocation Considerations
Under the standard 28% rule, a median-income household can allocate $1,537/month to housing in Charleston vs $1,444/month in Lafayette. In Charleston, median rent of $1,600/mo exceeds this threshold, suggesting renters may feel stretched. In Lafayette, median rent of $1,100/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 54 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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