Median rent is 41% lower in St. Louis ($978/mo vs $1,655/mo). Buying is cheaper in St. Louis, where the median home runs $185,100 versus $512,700. Households earn more in Austin ($91,461 vs $55,279 a year). Taken together, St. Louis is the more affordable choice with a cost index of 96.6 against 98.8 — about 2% lower overall prices. After adjusting income for local prices, a typical paycheck stretches further in Austin, TX.
Quick verdict
St. Louis is 2% cheaper overall
Cost index: 96.6 in St. Louis vs 98.8 in Austin (US average = 100)
City A
Austin, TX
City B
St. Louis, MO
How much would you need to earn in St. Louis, MO to maintain your standard of living from Austin, TX?
Equivalent salary in St. Louis, MO
$73,287
You could earn $1,713 less (2% lower) and break even.
Based on BEA Regional Price Parity (cost index) for each city's metro area. A rough estimate of overall purchasing power, not tax or take-home pay.
Metric
Austin
Texas
St. Louis
Missouri
👥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: US Census ACS, BEA RPP, HUD FMR, EPA AirNow, Tax Foundation
Renters will find significantly cheaper housing in St. Louis — median rent of $978/mo versus $1,655/mo in Austin, a 41% difference. Home buyers face a steeper market in Austin: the median home is $512,700 versus $185,100 in St. Louis — 64% more expensive.
1BR Fair Market Rent
2BR Fair Market Rent
BLS OEWS 2023 — metro-level data
Texas has no state income tax, while Missouri tops out at 4.80% — giving Austin a clear advantage for high earners. Sales tax is 6.25% in Texas and 4.22% in Missouri; St. Louis has the lower rate (local add-ons may apply in both).
Austin
Income tax: None
Sales tax: 6.25%
St. Louis
Income tax: 4.80%
Sales tax: 4.22%
St. Louis has cleaner air on average: 26.0 AQI (Good) compared to 47.0 AQI (Good) in the other city. Lower AQI means cleaner, healthier air.
Pick Austin if you prioritize higher median household income ($91,461/yr).
Pick St. Louis if you prioritize cheaper rent ($978/mo median).
Pick St. Louis if you prioritize cleaner air quality (avg AQI 26.0).
Pick Austin if you prioritize no state income tax.
Is Austin cheaper than St. Louis?
St. Louis is cheaper overall, with a cost of living index of 96.6 versus 98.8 (US average = 100). That means prices run about 2% lower in St. Louis.
How much is rent in Austin vs St. Louis?
Median rent is $1,655/mo in Austin, TX and $978/mo in St. Louis, MO. St. Louis, MO has the lower rent by about 41%.
Which has higher salaries — Austin or St. Louis?
Median household income is $91,461 in Austin, TX and $55,279 in St. Louis, MO. Austin, TX 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?
St. Louis, MO has better air quality on average: 26.0 AQI versus 47.0 AQI. Both are EPA AirNow annual averages; lower is better.
Which has lower taxes — Austin or St. Louis?
Texas has no state income tax. Missouri has a top rate of 4.80%.
What salary do I need in St. Louis to match my Austin income?
To maintain the same purchasing power, a salary of $100,000 in Austin, TX is equivalent to roughly $97,716 in St. Louis, MO (using the BEA Regional Price Parity ratio). Use the salary calculator above for any income amount.
Data last updated: December 1, 2024 · Sources: US Census ACS, BEA RPP, BLS OEWS, HUD FMR, EPA AirNow, Tax Foundation · Methodology