City Comparison

Columbia vs Round Rock

Cost of Living Comparison · 2026

Columbia

South Carolina
96
Average
$210,000
Median Home
$1,200/mo
Median Rent
$46,734
Median Income

Round Rock

Texas
101
Average
$413,000
Median Home
$1,400/mo
Median Rent
$100,500
Median Income

The Verdict

5.0%

Columbia is 5.0% less expensive than Round Rock overall. A household earning $75,000 in Columbia would need approximately $78,906 in Round Rock to maintain the same standard of living.

Category-by-Category Breakdown

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

Housing
88
Columbia
92
Round Rock
Groceries
99
Columbia
96
Round Rock
Utilities
97
Columbia
109
Round Rock
Transportation
97
Columbia
99
Round Rock
Healthcare
102
Columbia
96
Round Rock

Salary Equivalence

A $75,000 salary in Columbia has the same purchasing power as $78,906 in Round Rock.

Conversely, $75,000 in Round Rock equals $71,287 in Columbia.

Living in Columbia vs Round Rock

Housing Costs

Columbia's housing index of 88 is lower Round Rock's 92, translating to median home prices of $210,000 vs $413,000. The $203,000 difference in home prices means roughly $13,200 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,200/mo in Columbia compared to $1,400/mo in Round Rock, a monthly difference of $200.

Grocery & Food Costs

Grocery expenses index at 99 in Columbia and 96 in Round Rock. A household spending the national average of $475/month on groceries would pay approximately $470/month in Columbia vs $456/month in Round Rock. 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 97 in Columbia and 109 in Round Rock. Monthly utility bills average approximately $388 in Columbia vs $436 in Round Rock. 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 Columbia and 96 in Round Rock. 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 $46,734 in Columbia and $100,500 in Round Rock. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $48,681 and $99,505 respectively. Round Rock residents come out ahead in real purchasing power.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $1,090/month to housing in Columbia vs $2,345/month in Round Rock. In Columbia, median rent of $1,200/mo exceeds this threshold, suggesting renters may feel stretched. In Round Rock, median rent of $1,400/mo remains manageable. The biggest category-level difference between these two cities is Utilities, where the gap is 12 index points — focus your budget analysis there.

Frequently Asked Questions

Columbia is 5.0% more affordable overall with an index of 96 vs 101.
A $75,000 salary in Columbia has equivalent purchasing power to approximately $78,906 in Round Rock, based on the cost of living difference.
Columbia's housing index is 88 with median homes at $210,000, while Round Rock's is 92 with median homes at $413,000.

Moving & Relocation Resources

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