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What does a Bioengineers and Biomedical Engineers salary really buy you in Illinois?
Illinois is near the US average cost of livingData: BLS OEWS 2025 + BEA Regional Price Parities 2022 • Updated 2026-05-19
Illinois's Regional Price Parity (RPP) is 101.3, meaning prices are 1.3% higher the national average. A Bioengineers and Biomedical Engineers earning $89,520 in Illinois has the equivalent purchasing power of $88,371 in an average-cost US state.
Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for Illinois's cost of living.
| Percentile | Nominal Salary | COL-Adjusted | Difference |
|---|---|---|---|
| 10th Percentile (P10) | $48,370 | $47,749 | $-620 |
| 25th Percentile (P25) | $49,040 | $48,410 | $-629 |
| Median (P50) | $89,520 | $88,371 | $-1,148 |
| 75th Percentile (P75) | $112,400 | $110,957 | $-1,442 |
| 90th Percentile (P90) | $138,110 | $136,337 | $-1,772 |
Illinois's cost of living is close to the national average, so $89,520 keeps most of its value at $88,371 in real terms. Location choice here is more about career opportunities than cost arbitrage.
With an RPP of 101.3, Illinois is within a few percent of the national cost-of-living baseline. Salary adjustment for Bioengineers and Biomedical Engineers is therefore minor — what you earn is close to what you'd keep in real purchasing power.
After adjusting for Illinois's cost of living, $89,520 nominal nets out to $88,371 in real purchasing power — a small 1.3% loss. The state's cost profile is close enough to average that COL alone shouldn't drive location decisions for this Bioengineers and Biomedical Engineers.
Illinois ranks #34 of 37 — bottom quartile for Bioengineers and Biomedical Engineers real purchasing power. Relocation, employer negotiation, or remote roles at higher-paying markets tend to generate the biggest ROI.
Where does Bioengineers and Biomedical Engineers salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.
Illinois ranks #34 out of 37 states for Bioengineers and Biomedical Engineers after cost-of-living adjustment.
How much do you actually take home? See Bioengineers and Biomedical Engineers take-home pay in Illinois after taxes →
A Bioengineers and Biomedical Engineers in Illinois earns a median salary of $89,520 per year. After adjusting for Illinois's cost of living (RPP=101.3), the real purchasing power is $88,371 — a -1.3% difference.
Illinois's cost of living is 1.3% higher than the national average according to the BEA Regional Price Parities (2022). The RPP index for Illinois is 101.3 (US average = 100).
Regional Price Parities (RPPs) are price indexes published by the U.S. Bureau of Economic Analysis (BEA) that measure differences in price levels across states. They are expressed as a percentage of the national average (US = 100). Higher RPP means higher cost of living.
The adjusted salary is calculated as: Nominal Salary x (100 / RPP). For a Bioengineers and Biomedical Engineers in Illinois: $89,520 x (100 / 101.3) = $88,371. This represents what the salary would be worth in a state with average living costs.
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