City Comparison

Elgin vs Round Rock

Cost of Living Comparison · 2026

Elgin

Illinois
95
Below Average
$279,000
Median Home
$1,375/mo
Median Rent
$90,300
Median Income

Round Rock

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

The Verdict

5.9%

Living in Elgin costs 5.9% less than Round Rock. To match the purchasing power of a $75,000 salary in Elgin, you would need $79,737 in Round Rock.

Category-by-Category Breakdown

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

Housing
89
Elgin
92
Round Rock
Groceries
104
Elgin
96
Round Rock
Utilities
89
Elgin
109
Round Rock
Transportation
107
Elgin
99
Round Rock
Healthcare
105
Elgin
96
Round Rock

Salary Equivalence

A $75,000 salary in Elgin has the same purchasing power as $79,737 in Round Rock.

Conversely, $75,000 in Round Rock equals $70,545 in Elgin.

Living in Elgin vs Round Rock

Housing Costs

Elgin's housing index of 89 is lower Round Rock's 92, translating to median home prices of $279,000 vs $413,000. The $134,000 difference in home prices means roughly $8,712 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,375/mo in Elgin compared to $1,400/mo in Round Rock, a monthly difference of $25.

Grocery & Food Costs

Grocery expenses index at 104 in Elgin and 96 in Round Rock. A household spending the national average of $475/month on groceries would pay approximately $494/month in Elgin 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 89 in Elgin and 109 in Round Rock. Monthly utility bills average approximately $356 in Elgin 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 105 in Elgin and 96 in Round Rock. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 9-point gap reflects real differences in provider costs, insurance market competition, and regional healthcare infrastructure.

Income & Purchasing Power

Median household income is $90,300 in Elgin and $100,500 in Round Rock. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $95,053 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 $2,107/month to housing in Elgin vs $2,345/month in Round Rock. In Elgin, median rent of $1,375/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 Utilities, where the gap is 20 index points — focus your budget analysis there.

Frequently Asked Questions

Elgin is 5.9% more affordable overall with an index of 95 vs 101.
A $75,000 salary in Elgin has equivalent purchasing power to approximately $79,737 in Round Rock, based on the cost of living difference.
Elgin's housing index is 89 with median homes at $279,000, while Round Rock's is 92 with median homes at $413,000.

Moving & Relocation Resources

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