Median rent is 32% lower in San Antonio ($1,324/mo vs $1,954/mo). Buying is cheaper in San Antonio, where the median home runs $235,700 versus $737,100. Households earn more in Washington ($109,870 vs $65,056 a year). Taken together, San Antonio is the more affordable choice with a cost index of 94.3 against 109.5 — about 14% lower overall prices. After adjusting income for local prices, a typical paycheck stretches further in Washington, DC.
Cost of living verdict
San Antonio is 14% cheaper overall
Cost of Living Index: 94.3 in San Antonio vs 109.5 in Washington (US national average = 100)
City A
San Antonio, TX
City B
Washington, DC
How much would you need to earn in Washington, DC to maintain your standard of living from San Antonio, TX?
Equivalent salary in Washington, DC
$87,097
You'd need $12,097 more (16% higher).
Based on BEA Regional Price Parity (cost index) for each metro area. This estimates overall purchasing power; it does not account for taxes or take-home pay differences.
Metric
San Antonio
Texas
Washington
District of Columbia
Population
Median Household Income
Annual
Median Gross Rent
Per month
Median Home Value
Cost of Living Index
US avg = 100
1BR Fair Market Rent
HUD FMR
2BR Fair Market Rent
HUD FMR
3BR Fair Market Rent
HUD FMR
Air Quality Index
Lower = cleaner
Top State Income Tax
Top marginal rate
State Sales Tax
Statewide base rate
Median Age
Years
✓ = better value · Sources: Census ACS, BEA, HUD Fair Market Rents, EPA AirNow, Tax Foundation
Renters will find significantly cheaper housing in San Antonio — median rent of $1,324/mo versus $1,954/mo in Washington, a 32% difference. Home buyers face a steeper market in Washington: the median home is $737,100 versus $235,700 in San Antonio — 68% more expensive.
1BR Fair Market Rent
2BR Fair Market Rent
BLS OEWS 2023 — metro-level data
State tax data is not yet available for these cities.
San Antonio
Income tax: N/A
Sales tax: N/A
Washington
Income tax: N/A
Sales tax: N/A
Washington has cleaner air on average: 24.0 AQI (Good) compared to 71.0 AQI (Moderate) in the other city. Lower AQI means cleaner, healthier air.
Pick San Antonio if you prioritize lower overall cost of living (index 94.3 vs 109.5).
Pick Washington if you prioritize higher median household income ($109,870/yr).
Pick San Antonio if you prioritize cheaper rent ($1,324/mo median).
Pick Washington if you prioritize cleaner air quality (avg AQI 24.0).
Is San Antonio cheaper than Washington?
San Antonio is cheaper overall, with a cost of living index of 94.3 versus 109.5 (US average = 100). That means prices run about 14% lower in San Antonio.
How much is rent in San Antonio vs Washington?
Median rent is $1,324/mo in San Antonio, TX and $1,954/mo in Washington, DC. San Antonio, TX has the lower rent by about 32%.
Which has higher salaries — San Antonio or Washington?
Median household income is $65,056 in San Antonio, TX and $109,870 in Washington, DC. Washington, DC has the higher median income. Note that BLS occupational wages in the table above show wages for specific jobs.
Which city has better air quality?
Washington, DC has better air quality on average: 24.0 AQI versus 71.0 AQI. Both are EPA AirNow annual averages; lower is better.
Which has lower taxes — San Antonio or Washington?
State tax data is not yet available for one or both cities.
What salary do I need in Washington to match my San Antonio income?
To maintain the same purchasing power, a salary of $100,000 in San Antonio, TX is equivalent to roughly $116,130 in Washington, DC (using the BEA Regional Price Parity ratio). Use the salary calculator above for any income amount.
Data last updated: December 1, 2026 · Sources: US Census ACS, BEA RPP, BLS OEWS, HUD FMR, EPA AirNow, Tax Foundation · Methodology
