State comparison · 2025
Environmental Engineers salary: Louisiana vs Montana
Environmental Engineers in Louisiana earn a median of $130,510. In Montana, $100,140. After cost-of-living, the gap is 39.8% — not 30.3%.
Nominal pay gap
+30.3%
Louisiana vs Montana
COL-adjusted gap
+39.8%
After BEA Regional Price Parities
Louisiana
Environmental Engineers
- Median
- $130,510
- p25
- $99,490
- p75
- $171,630
- p10
- $76,500
- p90
- $201,300
- COL index (BEA RPP)100 = US average
- 88.2
- Hiring velocity (180d)
- +100%
Montana
Environmental Engineers
- Median
- $100,140
- p25
- $81,100
- p75
- $126,000
- p10
- $63,920
- p90
- $154,530
- COL index (BEA RPP)100 = US average
- 94.6
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.