Columbia vs Round Rock
Cost of Living Comparison · 2026
Columbia
Round Rock
The Verdict
The cost gap between these cities is 30.7%, with Round Rock being the more affordable option. A $75,000 income in Columbia has equivalent purchasing power to $57,386 in Round Rock.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in Columbia has the same purchasing power as $57,386 in Round Rock.
Conversely, $75,000 in Round Rock equals $98,020 in Columbia.
Living in Columbia vs Round Rock
Housing Costs
Columbia's housing index of 172 is higher Round Rock's 92, translating to median home prices of $430,000 vs $413,000. The $17,000 difference in home prices means roughly $1,104 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,900/mo in Columbia compared to $1,400/mo in Round Rock, a monthly difference of $500.
Grocery & Food Costs
Grocery expenses index at 104 in Columbia and 96 in Round Rock. A household spending the national average of $475/month on groceries would pay approximately $494/month in Columbia vs $456/month in Round Rock. Round Rock offers a meaningful advantage on everyday food costs, saving roughly $456/year.
Utility Expenses
Utility costs — electricity, gas, water, internet — index at 110 in Columbia and 109 in Round Rock. Monthly utility bills average approximately $440 in Columbia vs $436 in Round Rock. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 101 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 $112,738 in Columbia and $100,500 in Round Rock. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $85,408 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 $2,631/month to housing in Columbia vs $2,345/month in Round Rock. In Columbia, median rent of $1,900/mo fits within this budget. In Round Rock, median rent of $1,400/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 80 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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