Wondering how far your dollar stretches in Round Rock compared to San Antonio? Below we break down housing costs, rent, taxes, income, and quality of life using 2026 data so you can make an informed relocation or remote-work decision. Every number is computed from Census, BLS, and Zillow data specific to these two metro areas.
| Round Rock | Metric | San Antonio | Difference |
|---|---|---|---|
| 98 | Cost of Living Index | 92 | -6.1% |
| $410,000 | Median Home Price | $270,000 | -34.1% |
| $1,650 | Median Monthly Rent | $899 | -45.5% |
| $95,800 | Median Household Income | $58,600 | -38.8% |
| 2.0% | Property Tax Rate | 1.8% | -10.0% |
| 3.1% | Unemployment Rate | 3.8% | +22.6% |
| 26 min | Average Commute | 26 min | +0.0% |
| 34.2 | Median Age | 34.3 | +0.3% |
| 140,000 | Metro Population | 2,650,000 | +1792.9% |
Data sourced from Census Bureau, BLS, Zillow, and ApartmentAdvisor (2024-2025). COL Index: 100 = national average.
Monthly mortgage assumes 6.5% interest, 30-year fixed, 20.0%down payment. PITI includes principal, interest, property tax, and homeowner's insurance.
Buying a home in Round Rock costs $2,876/month (PITI) compared to $1,849/month in San Antonio — a difference of $1,027/month or $12,324/year. The price-to-income ratio is 4.3x in Round Rock versus 4.6x in San Antonio, suggesting Round Rock is relatively more affordable for homebuyers relative to local incomes. At a 15% savings rate, it takes 5.7 years to save a down payment in Round Rock compared to 6.1 years in San Antonio.
Estimated on each city's median household income, single filer, standard deduction, 2025 rates.
| Tax Category | Round Rock | San Antonio |
|---|---|---|
| Gross Income | $95,800 | $58,600 |
| State Income Tax | None | None |
| Federal Income Tax | $12,525 | $4,903 |
| FICA (SS + Medicare) | $7,329 | $4,483 |
| Property Tax (on median home) | $8,200/yr | $4,860/yr |
| State Sales Tax Rate | 6.3% | 6.3% |
| Total Tax Burden | $19,854 (20.7%) | $9,386 (16.0%) |
| Take-Home Pay | $75,946 | $49,214 |
Texas has no state income tax, giving Round Rock residents a significant tax advantage. On median household income, total taxes (federal + state + FICA) come to $19,854 in Round Rock (20.7% effective) versus $9,386 in San Antonio (16.0% effective). After taxes, take-home pay is $75,946 in Round Rock and $49,214 in San Antonio. Property taxes add $8,200/year on the median Round Rock home versus $4,860/year in San Antonio.
These figures adjust for cost of living using the formula: adjusted = salary × (COL_destination / COL_origin). If you earn $95,800 in Round Rock (COL 98) and relocate to San Antonio (COL 92), you would need $89,935 to maintain the same purchasing power. This means you can take a pay cut of $5,865 and still maintain your lifestyle in San Antonio.
Beyond costs, quality of life matters. The average commute in Round Rock is 26 minutes versus 26 minutes in San Antonio, a difference of 0 minutes each way. Round Rock's lower unemployment rate of 3.1% versus 3.8% suggests a stronger job market. San Antonio skews slightly older with a median age of 34.3 vs 34.2 in Round Rock.
Round Rock is 6.1% more expensive than San Antonio overall. Round Rock has a cost of living index of 98 compared to 92 for San Antonio (national average = 100). The biggest difference is housing: the median home costs $410,000 in Round Rock vs $270,000 in San Antonio.
The median home price in Round Rock is $410,000, which is $140,000 more than San Antonio's median of $270,000. Monthly rent follows a similar pattern: $1,650/month in Round Rock vs $899/month in San Antonio, a difference of $751/month or $9,012/year.
To maintain the same standard of living, a $95,800 salary in Round Rock is equivalent to $89,935 in San Antonio. This is based on the cost of living index ratio: Round Rock's COL index of 98 vs San Antonio's 92. Conversely, $58,600 in San Antonio equals $62,422 in Round Rock.
On a median household income, the combined federal, state, and FICA tax burden is $19,854 (20.7% effective rate) in Round Rock vs $9,386 (16.0% effective rate) in San Antonio. Property taxes on the median home are $8,200/year in Round Rock (2.0% rate) vs $4,860/year in San Antonio (1.8% rate). Sales tax rates are 6.3% in Texas and 6.3% in Texas.
Round Rock median household income: $95,800/yr. San Antonio median household income: $58,600/yr (Census ACS).
Median monthly rent: $1,650 in Round Rock vs $899 in San Antonio. Annualized that is $19,800 vs $10,788.
San Antonio offers a lower cost of living (index 92 vs 98), which lets remote-workers keeping a coastal salary stretch further. Round Rock typically wins on amenities and labor-market depth.
Round Rock and San Antonio numbers are pulled from Zillow ZHVI/ZORI (home values, rent), the U.S. Census Bureau ACS (income, demographics), and BEA RPP (cost-of-living index). Each value is timestamped on the page.
Source feeds (Zillow, Freddie Mac PMMS, Census ACS, BEA RPP) are refreshed on their native cadence. Page caches revalidate every 24 hours via Next.js ISR.
No. The Round Rock vs San Antonio cost-of-living page is educational reference using public data and standard formulas. It is not personalized tax, legal, or investment advice. Consult a licensed professional for material decisions.
Home prices use Zillow Home Value Index (ZHVI)[1]; rents use Zillow Observed Rent Index (ZORI)[1]. Median household income comes from the Census ACS 5-year estimates[2].
COL indices use the BEA Regional Price Parity methodology[3], normalized so 100 = national average.
Property tax rates are effective rates from the Tax Foundation[4], expressed as % of owner-occupied home value. Mortgage estimates assume 6.5% fixed rate[5], 30-year term, 20.0% down, $1,800/yr homeowners insurance.
Federal tax calculations[6] assume single filer, standard deduction. State tax uses the top marginal rate times taxable income after the state standard deduction. FICA = 6.2% Social Security (up to wage base) + 1.45% Medicare.
Salary equivalence uses adjusted = salary × (COL_destination / COL_origin). This captures cost-of-living shift but not state income tax differences.
Unemployment figures are the most recent monthly MSA-level readings from the BLS LAUS series[7].
Last reviewed is computed from the maximum retrievedAt across every source this page consumes.
City data from Census Bureau[2], BLS[7], and Zillow[1] (2024-2025). Tax calculations use 2025 IRS rates[6], single filer, standard deduction. Mortgage estimates assume 6.5% PMMS rate[5], 30-year term, 20.0% down. COL Index: 100 = national average[3]. Last reviewed .