State comparison · 2025
Materials Engineers salary: Illinois vs Washington
Materials Engineers in Washington earn a median of $139,840. In Illinois, $126,620. After cost-of-living, the gap is 3.1% — not 9.5%.
Nominal pay gap
-9.5%
Illinois vs Washington
COL-adjusted gap
-3.1%
After BEA Regional Price Parities
Illinois
Materials Engineers
- Median
- $126,620
- p25
- $91,570
- p75
- $136,710
- p10
- $71,780
- p90
- $165,710
- COL index (BEA RPP)100 = US average
- 100.0
- Hiring velocity (180d)
- -27%
Washington
Materials Engineers
- Median
- $139,840
- p25
- $122,960
- p75
- $176,290
- p10
- $92,570
- p90
- $199,250
- COL index (BEA RPP)100 = US average
- 107.0
- Hiring velocity (180d)
- -89%
BLS Occupational Employment and Wage Statistics, May 2025. Cost-of-living adjustment from BEA Regional Price Parities (overall index). Hiring velocity from DOL OFLC public disclosure data, recent 180 days vs prior. See methodology.