Round Rock vs San Diego
Cost of Living Comparison · 2026 Data
Round Rock
San Diego
💡 The Verdict
Round Rock is 36% cheaper than San Diego overall. A $75,000 salary in Round Rock is equivalent to $117,647 in San Diego.
Category-by-Category Breakdown
Index values for Round Rock (left) vs San Diego (right). National average = 100.
Detailed Price Comparison
Estimated item-level prices in Round Rock versus San Diego. Differences shown from Round Rock perspective.
| Item | Round Rock | San Diego | Difference |
|---|---|---|---|
| 1-Bed Rent | $1,120/mo | $1,770/mo | $-650.00 |
| 2-Bed Rent | $1,630/mo | $2,500/mo | $-870.00 |
| 3-Bed Rent | $2,100/mo | $3,490/mo | $-1390.00 |
| Bread (loaf) | $2.63 | $3.20 | $-0.57 |
| Milk (gallon) | $3.85 | $3.84 | +$0.01 |
| Eggs (dozen) | $3.20 | $3.68 | $-0.48 |
| Coffee (latte) | $6.05 | $6.14 | $-0.09 |
| Gas (gallon) | $3.00 | $3.64 | $-0.64 |
| Restaurant Meal | $15.21 | $22.62 | $-7.41 |
💰 Salary Equivalence
A $75,000 salary in Round Rock has the same purchasing power as $117,647 in San Diego.
Conversely, $75,000 in San Diego equals $47,812 in Round Rock.
💼 Take-Home Pay Comparison
Estimated annual take-home pay on a $75,000 salary after federal, FICA, and state income taxes.
The $4651 difference is driven by California having a higher state income tax rate. Texas details → · California details →
Reading These Numbers: Round Rock (102) vs San Diego (160)
Round Rock at 102 is 2% above the US average, while San Diego at 160 is 60% above average. There is a meaningful cost gap between these two cities that affects day-to-day budgeting.
In Round Rock, the composite index of 102 reflects a weighted calculation where housing carries the most influence at 114, followed by groceries (103), utilities (94), transportation (96), and healthcare (91). Housing is the primary cost driver here.
For renters: With median rents of $1,630/mo in Round Rock and $2,500/mo in San Diego, the annual rent difference is approximately $10,440.0. Over a 5-year period, that compounds to $52,200.0 in savings by choosing the more affordable city.
For homebuyers: The $430,000.0 difference in median home prices between Round Rock and San Diego translates to meaningful differences in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.
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Making Your Decision: Round Rock vs San Diego
Choosing between Round Rock and San Diego involves more than just comparing index numbers. Consider how each category aligns with your personal spending patterns. If you work from home, transportation costs matter less than housing and utilities. If you eat out frequently, the groceries index may understate your actual food spending — look at the restaurant meal prices in the detailed comparison table above instead.
The cost gap between Round Rock and San Diego reflects thousands of individual pricing differences across housing markets, grocery chains, utility providers, and healthcare networks. No two households experience the same effective cost of living even in the same city, which is why the category breakdown matters more than the headline number. Adjust the lifestyle weighting sliders above to see how your spending priorities shift the comparison between these specific metros.