To keep the same standard of living as $100,000 in Chicago, you'd need about $91,300 in San Antonio — a $8,700 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 San Antonio to maintain the same purchasing power as each income level in Chicago, using the BEA price ratio of 0.913.
| Salary in Chicago | Equivalent in San Antonio | Difference |
|---|---|---|
| $50,000 | $45,700 | −$4,300 |
| $75,000 | $68,500 | −$6,500 |
| $100,000 | $91,300 | −$8,700 |
| $150,000 | $137,000 | −$13,000 |
| $200,000 | $182,700 | −$17,300 |
Moving from Chicago, IL to San Antonio, TX means your everyday costs are cheaper by roughly 8.7%. The U.S. Bureau of Economic Analysis measures Chicago's overall price level at 102.6 and San Antonio's at 93.7, where 100 represents the national average. In practical terms, a household spending $5,241 per month in Chicago would spend about $4,758 for the equivalent lifestyle in San Antonio — a swing of $483 every month, or $5,796 per year.
Housing is the decisive factor. Estimated monthly housing runs $2,198 in Chicago against $1,862 in San Antonio. Because rent and mortgage costs vary far more between metros than groceries or utilities, the housing line alone accounts for most of the 8.7% gap.
For salary negotiation or a remote-work relocation, the key number is the equivalent salary. A $100,000 income in Chicago has the same purchasing power as $91,300 in San Antonio. Looked at the other way, $100,000 in San Antonio is worth about $109,500 in Chicago terms. Use the Cost of Living Calculator to plug in your own expenses.
Cost of living compares prices across places at one point in time. The related question — how prices in one place have changed over time — is answered by inflation. To see what an income or price from an earlier decade is worth in today's money, see what old money is worth today, which converts any amount from 1913 onward using Consumer Price Index data.
Price levels don't include income tax, which can significantly swing your real take-home pay — especially between IL and TX.
San Antonio is 8.7% cheaper than Chicago overall. Based on the U.S. Bureau of Economic Analysis Regional Price Parities (2023), Chicago has a price level of 102.6 versus 93.7 for San Antonio, where 100 equals the national average.
To maintain the same purchasing power as a $100,000 salary in Chicago, you would need about $91,300 in San Antonio — a difference of $8,700 per year.
Estimated monthly housing runs about $2,198 in Chicago versus $1,862 in San Antonio. 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). Chicago maps to the Chicago-Naperville-Elgin, IL-IN-WI MSA; San Antonio maps to the San Antonio-New Braunfels, TX 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.
