What does a Engineers, All Other salary really buy you in Illinois?
Illinois is near the US average cost of livingData: BLS OEWS 2024 + BEA Regional Price Parities 2022 • Updated 2026-03-31
Illinois's Regional Price Parity (RPP) is 101.3, meaning prices are 1.3% higher the national average. A Engineers, All Other earning $109,380 in Illinois has the equivalent purchasing power of $107,976 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) | $61,700 | $60,908 | $-791 |
| 25th Percentile (P25) | $81,440 | $80,394 | $-1,045 |
| Median (P50) | $109,380 | $107,976 | $-1,403 |
| 75th Percentile (P75) | $137,020 | $135,261 | $-1,758 |
| 90th Percentile (P90) | $164,040 | $161,934 | $-2,105 |
Illinois's cost of living is close to the national average, so $109,380 keeps most of its value at $107,976 in real terms. Location choice here is more about career opportunities than cost arbitrage.
Where does Engineers, All Other salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.
Illinois ranks #35 out of 50 states for Engineers, All Other after cost-of-living adjustment.
Some links are affiliate links. See our disclosure.
A Engineers, All Other in Illinois earns a median salary of $109,380 per year. After adjusting for Illinois's cost of living (RPP=101.3), the real purchasing power is $107,976 — 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 Engineers, All Other in Illinois: $109,380 x (100 / 101.3) = $107,976. This represents what the salary would be worth in a state with average living costs.