City Comparison

Charleston vs Grand Prairie

Cost of Living Comparison · 2026

Charleston

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

Grand Prairie

Texas
100
Average
$300,000
Median Home
$1,325/mo
Median Rent
$81,300
Median Income

The Verdict

10.0%

Living in Grand Prairie costs 10.0% less than Charleston. To match the purchasing power of a $75,000 salary in Charleston, you would need $68,182 in Grand Prairie.

Category-by-Category Breakdown

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

Housing
127
Charleston
89
Grand Prairie
Groceries
102
Charleston
99
Grand Prairie
Utilities
99
Charleston
111
Grand Prairie
Transportation
98
Charleston
91
Grand Prairie
Healthcare
104
Charleston
103
Grand Prairie

Salary Equivalence

A $75,000 salary in Charleston has the same purchasing power as $68,182 in Grand Prairie.

Conversely, $75,000 in Grand Prairie equals $82,500 in Charleston.

Living in Charleston vs Grand Prairie

Housing Costs

Charleston's housing index of 127 is higher Grand Prairie's 89, translating to median home prices of $380,000 vs $300,000. The $80,000 difference in home prices means roughly $5,196 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,600/mo in Charleston compared to $1,325/mo in Grand Prairie, a monthly difference of $275.

Grocery & Food Costs

Grocery expenses index at 102 in Charleston and 99 in Grand Prairie. A household spending the national average of $475/month on groceries would pay approximately $485/month in Charleston vs $470/month in Grand Prairie. 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 111 in Grand Prairie. Monthly utility bills average approximately $396 in Charleston vs $444 in Grand Prairie. 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 103 in Grand Prairie. 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 $65,872 in Charleston and $81,300 in Grand Prairie. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $59,884 and $81,300 respectively. Grand Prairie 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 $1,897/month in Grand Prairie. In Charleston, median rent of $1,600/mo exceeds this threshold, suggesting renters may feel stretched. In Grand Prairie, median rent of $1,325/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 38 index points — focus your budget analysis there.

Frequently Asked Questions

Grand Prairie is 10.0% more affordable overall with an index of 100 vs 110.
A $75,000 salary in Charleston has equivalent purchasing power to approximately $68,182 in Grand Prairie, based on the cost of living difference.
Charleston's housing index is 127 with median homes at $380,000, while Grand Prairie's is 89 with median homes at $300,000.

Moving & Relocation Resources

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