City Comparison

Charleston vs Twin Falls

Cost of Living Comparison · 2026

Charleston

South Carolina
110
Above Average
$380,000
Median Home
$1,600/mo
Median Rent
$65,872
Median Income

Twin Falls

Idaho
92
Below Average
$380,000
Median Home
$1,150/mo
Median Rent
$60,900
Median Income

The Verdict

19.6%

The cost gap between these cities is 19.6%, with Twin Falls being the more affordable option. A $75,000 income in Charleston has equivalent purchasing power to $62,727 in Twin Falls.

Category-by-Category Breakdown

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

Housing
127
Charleston
93
Twin Falls
Groceries
102
Charleston
98
Twin Falls
Utilities
99
Charleston
85
Twin Falls
Transportation
98
Charleston
96
Twin Falls
Healthcare
104
Charleston
94
Twin Falls

Salary Equivalence

A $75,000 salary in Charleston has the same purchasing power as $62,727 in Twin Falls.

Conversely, $75,000 in Twin Falls equals $89,674 in Charleston.

Living in Charleston vs Twin Falls

Housing Costs

Charleston's housing index of 127 is higher Twin Falls's 93, translating to median home prices of $380,000 vs $380,000. The $0 difference in home prices means roughly $0 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,600/mo in Charleston compared to $1,150/mo in Twin Falls, a monthly difference of $450.

Grocery & Food Costs

Grocery expenses index at 102 in Charleston and 98 in Twin Falls. A household spending the national average of $475/month on groceries would pay approximately $485/month in Charleston vs $466/month in Twin Falls. 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 99 in Charleston and 85 in Twin Falls. Monthly utility bills average approximately $396 in Charleston vs $340 in Twin Falls. 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 104 in Charleston and 94 in Twin Falls. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 10-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 $60,900 in Twin Falls. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $59,884 and $66,196 respectively. Twin Falls 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 $1,421/month in Twin Falls. In Charleston, median rent of $1,600/mo exceeds this threshold, suggesting renters may feel stretched. In Twin Falls, median rent of $1,150/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 34 index points — focus your budget analysis there.

Frequently Asked Questions

Twin Falls is 19.6% more affordable overall with an index of 92 vs 110.
A $75,000 salary in Charleston has equivalent purchasing power to approximately $62,727 in Twin Falls, based on the cost of living difference.
Charleston's housing index is 127 with median homes at $380,000, while Twin Falls's is 93 with median homes at $380,000.

Moving & Relocation Resources

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