State comparison · 2025
First-Line Supervisors of Transportation Workers salary: Iowa vs Maryland
First-Line Supervisors of Transportation Workers in Maryland earn a median of $74,070. In Iowa, $60,490. After cost-of-living, the gap is 2.3% — not 18.3%.
Nominal pay gap
-18.3%
Iowa vs Maryland
COL-adjusted gap
-2.3%
After BEA Regional Price Parities
Iowa
First-Line Supervisors of Transportation Workers
- Median
- $60,490
- p25
- $50,410
- p75
- $75,310
- p10
- $40,890
- p90
- $87,110
- COL index (BEA RPP)100 = US average
- 87.8
Maryland
First-Line Supervisors of Transportation Workers
- Median
- $74,070
- p25
- $57,790
- p75
- $94,370
- p10
- $46,970
- p90
- $104,210
- COL index (BEA RPP)100 = US average
- 105.0
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.