To keep the same standard of living as $100,000 in Austin, you'd need about $98,700 in St. Louis — a $1,300 saving per year.
Estimated monthly spending for a middle-income household, adjusted by each metro's BEA price level.
The salary you'd need in St. Louis to maintain the same purchasing power as each income level in Austin, using the BEA price ratio of 0.987.
| Salary in Austin | Equivalent in St. Louis | Difference |
|---|---|---|
| $50,000 | $49,300 | −$700 |
| $75,000 | $74,000 | −$1,000 |
| $100,000 | $98,700 | −$1,300 |
| $150,000 | $148,000 | −$2,000 |
| $200,000 | $197,300 | −$2,700 |
Moving from Austin, TX to St. Louis, MO means your everyday costs are cheaper by roughly 1.3%. The U.S. Bureau of Economic Analysis measures Austin's overall price level at 97.6 and St. Louis's at 96.3, where 100 represents the national average. In practical terms, a household spending $4,969 per month in Austin would spend about $4,899 for the equivalent lifestyle in St. Louis — a swing of $70 every month, or $840 per year.
Housing is the decisive factor. Estimated monthly housing runs $2,009 in Austin against $1,960 in St. Louis. Because rent and mortgage costs vary far more between metros than groceries or utilities, the housing line alone accounts for most of the 1.3% gap.
For salary negotiation or a remote-work relocation, the key number is the equivalent salary. A $100,000 income in Austin has the same purchasing power as $98,700 in St. Louis. Looked at the other way, $100,000 in St. Louis is worth about $101,300 in Austin terms. Use the Cost of Living Calculator to plug in your own expenses.
Price levels don't include income tax, which can significantly swing your real take-home pay — especially between TX and MO.
St. Louis is 1.3% cheaper than Austin overall. Based on the U.S. Bureau of Economic Analysis Regional Price Parities (2023), Austin has a price level of 97.6 versus 96.3 for St. Louis, where 100 equals the national average.
To maintain the same purchasing power as a $100,000 salary in Austin, you would need about $98,700 in St. Louis — a difference of $1,300 per year.
Estimated monthly housing runs about $2,009 in Austin versus $1,960 in St. Louis. Housing is the single biggest driver of the cost-of-living gap between the two metros.
Sources & methodology
Price levels use the U.S. Bureau of Economic Analysis Regional Price Parities for metropolitan areas (2023, the most recent metro-level release). Austin maps to the Austin-Round Rock-Georgetown, TX MSA; St. Louis maps to the St. Louis, MO-IL MSA. Category spending baselines come from the U.S. Bureau of Labor Statistics Consumer Expenditure Survey. Category-level figures are modeled estimates and are illustrative; actual costs vary by household. This is a planning tool, not financial advice.
