State comparison · 2025
Chemical Engineers salary: Alabama vs Illinois
Chemical Engineers in Alabama earn a median of $135,030. In Illinois, $121,560. After cost-of-living, the gap is 25.1% — not 11.1%.
Nominal pay gap
+11.1%
Alabama vs Illinois
COL-adjusted gap
+25.1%
After BEA Regional Price Parities
Alabama
Chemical Engineers
- Median
- $135,030
- p25
- $96,820
- p75
- $141,840
- p10
- $77,750
- p90
- $164,700
- COL index (BEA RPP)100 = US average
- 88.8
Illinois
Chemical Engineers
- Median
- $121,560
- p25
- $95,800
- p75
- $140,010
- p10
- $79,120
- p90
- $176,110
- COL index (BEA RPP)100 = US average
- 100.0
- Hiring velocity (180d)
- -73%
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.