To keep the same standard of living as $100,000 in Boise, you'd need about $109,900 in Chicago — a $9,900 premium per year.
Estimated monthly spending for a middle-income household, adjusted by each metro's BEA price level.
The salary you'd need in Chicago to maintain the same purchasing power as each income level in Boise, using the BEA price ratio of 1.099.
| Salary in Boise | Equivalent in Chicago | Difference |
|---|---|---|
| $50,000 | $54,900 | +$4,900 |
| $75,000 | $82,400 | +$7,400 |
| $100,000 | $109,900 | +$9,900 |
| $150,000 | $164,800 | +$14,800 |
| $200,000 | $219,700 | +$19,700 |
Moving from Boise, ID to Chicago, IL means your everyday costs are more expensive by roughly 9.9%. The U.S. Bureau of Economic Analysis measures Boise's overall price level at 93.4 and Chicago's at 102.6, where 100 represents the national average. In practical terms, a household spending $4,742 per month in Boise would spend about $5,241 for the equivalent lifestyle in Chicago — a swing of $499 every month, or $5,988 per year.
Housing is the decisive factor. Estimated monthly housing runs $1,851 in Boise against $2,198 in Chicago. Because rent and mortgage costs vary far more between metros than groceries or utilities, the housing line alone accounts for most of the 9.9% gap.
For salary negotiation or a remote-work relocation, the key number is the equivalent salary. A $100,000 income in Boise has the same purchasing power as $109,900 in Chicago. Looked at the other way, $100,000 in Chicago is worth about $91,000 in Boise 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 ID and IL.
Chicago is 9.9% more expensive than Boise overall. Based on the U.S. Bureau of Economic Analysis Regional Price Parities (2023), Boise has a price level of 93.4 versus 102.6 for Chicago, where 100 equals the national average.
To maintain the same purchasing power as a $100,000 salary in Boise, you would need about $109,900 in Chicago — a difference of $9,900 per year.
Estimated monthly housing runs about $1,851 in Boise versus $2,198 in Chicago. 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). Boise maps to the Boise City, ID MSA; Chicago maps to the Chicago-Naperville-Elgin, IL-IN-WI 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.
