City Comparison

Charleston vs Great 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

Great Falls

Montana
88
Below Average
$325,000
Median Home
$1,050/mo
Median Rent
$55,800
Median Income

The Verdict

25.0%

The cost gap between these cities is 25.0%, with Great Falls being the more affordable option. A $75,000 income in Charleston has equivalent purchasing power to $60,000 in Great Falls.

Category-by-Category Breakdown

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

Housing
127
Charleston
82
Great Falls
Groceries
102
Charleston
99
Great Falls
Utilities
99
Charleston
90
Great Falls
Transportation
98
Charleston
95
Great Falls
Healthcare
104
Charleston
92
Great Falls

Salary Equivalence

A $75,000 salary in Charleston has the same purchasing power as $60,000 in Great Falls.

Conversely, $75,000 in Great Falls equals $93,750 in Charleston.

Living in Charleston vs Great Falls

Housing Costs

Charleston's housing index of 127 is higher Great Falls's 82, translating to median home prices of $380,000 vs $325,000. The $55,000 difference in home prices means roughly $3,576 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,600/mo in Charleston compared to $1,050/mo in Great Falls, a monthly difference of $550.

Grocery & Food Costs

Grocery expenses index at 102 in Charleston and 99 in Great Falls. A household spending the national average of $475/month on groceries would pay approximately $485/month in Charleston vs $470/month in Great 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 90 in Great Falls. Monthly utility bills average approximately $396 in Charleston vs $360 in Great Falls. Utility costs are relatively comparable between these two cities.

Healthcare

Healthcare costs index at 104 in Charleston and 92 in Great Falls. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 12-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 $55,800 in Great Falls. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $59,884 and $63,409 respectively. Great 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 $1,302/month in Great Falls. In Charleston, median rent of $1,600/mo exceeds this threshold, suggesting renters may feel stretched. In Great Falls, median rent of $1,050/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 45 index points — focus your budget analysis there.

Frequently Asked Questions

Great Falls is 25.0% more affordable overall with an index of 88 vs 110.
A $75,000 salary in Charleston has equivalent purchasing power to approximately $60,000 in Great Falls, based on the cost of living difference.
Charleston's housing index is 127 with median homes at $380,000, while Great Falls's is 82 with median homes at $325,000.

Moving & Relocation Resources

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