State comparison · 2025
Health and Safety Engineers salary: Massachusetts vs Oklahoma
Health and Safety Engineers in Massachusetts earn a median of $131,210. In Oklahoma, $102,890. After cost-of-living, the gap is 5.8% — not 27.5%.
Nominal pay gap
+27.5%
Massachusetts vs Oklahoma
COL-adjusted gap
+5.8%
After BEA Regional Price Parities
Massachusetts
Health and Safety Engineers
- Median
- $131,210
- p25
- $102,940
- p75
- $175,410
- p10
- $94,340
- p90
- $215,430
- COL index (BEA RPP)100 = US average
- 105.8
- Hiring velocity (180d)
- +75%
Oklahoma
Health and Safety Engineers
- Median
- $102,890
- p25
- $84,680
- p75
- $133,060
- p10
- $66,650
- p90
- $167,910
- COL index (BEA RPP)100 = US average
- 87.8
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.