City Comparison

Round Rock vs Sioux Falls

Cost of Living Comparison · 2026

Round Rock

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

Sioux Falls

South Dakota
93
Below Average
$265,000
Median Home
$1,100/mo
Median Rent
$61,714
Median Income

The Verdict

8.6%

The cost gap between these cities is 8.6%, with Sioux Falls being the more affordable option. A $75,000 income in Round Rock has equivalent purchasing power to $69,059 in Sioux Falls.

Category-by-Category Breakdown

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

Housing
92
Round Rock
80
Sioux Falls
Groceries
96
Round Rock
97
Sioux Falls
Utilities
109
Round Rock
94
Sioux Falls
Transportation
99
Round Rock
98
Sioux Falls
Healthcare
96
Round Rock
101
Sioux Falls

Salary Equivalence

A $75,000 salary in Round Rock has the same purchasing power as $69,059 in Sioux Falls.

Conversely, $75,000 in Sioux Falls equals $81,452 in Round Rock.

Living in Round Rock vs Sioux Falls

Housing Costs

Round Rock's housing index of 92 is higher Sioux Falls's 80, translating to median home prices of $413,000 vs $265,000. The $148,000 difference in home prices means roughly $9,624 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,400/mo in Round Rock compared to $1,100/mo in Sioux Falls, a monthly difference of $300.

Grocery & Food Costs

Grocery expenses index at 96 in Round Rock and 97 in Sioux Falls. A household spending the national average of $475/month on groceries would pay approximately $456/month in Round Rock vs $461/month in Sioux 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 109 in Round Rock and 94 in Sioux Falls. Monthly utility bills average approximately $436 in Round Rock vs $376 in Sioux 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 96 in Round Rock and 101 in Sioux Falls. 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 $100,500 in Round Rock and $61,714 in Sioux Falls. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $99,505 and $66,359 respectively. Round Rock residents enjoy stronger real purchasing power despite higher nominal wages.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $2,345/month to housing in Round Rock vs $1,440/month in Sioux Falls. In Round Rock, median rent of $1,400/mo fits within this budget. In Sioux Falls, median rent of $1,100/mo remains manageable. The biggest category-level difference between these two cities is Utilities, where the gap is 15 index points — focus your budget analysis there.

Frequently Asked Questions

Sioux Falls is 8.6% more affordable overall with an index of 93 vs 101.
A $75,000 salary in Round Rock has equivalent purchasing power to approximately $69,059 in Sioux Falls, based on the cost of living difference.
Round Rock's housing index is 92 with median homes at $413,000, while Sioux Falls's is 80 with median homes at $265,000.

Moving & Relocation Resources

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