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State comparison · 2025

Environmental Engineers salary: California vs Oklahoma

Occupation

Environmental Engineers in California earn a median of $130,410. In Oklahoma, $92,090. After cost-of-living, the gap is 12.3% — not 41.6%.

Nominal pay gap
+41.6%
California vs Oklahoma
COL-adjusted gap
+12.3%
After BEA Regional Price Parities

California

Environmental Engineers

Median
$130,410
p25
$95,950
p75
$148,650
p10
$79,790
p90
$170,790
COL index (BEA RPP)100 = US average
110.7
Hiring velocity (180d)
-59%
See full breakdown for California

Oklahoma

Environmental Engineers

Median
$92,090
p25
$78,730
p75
$109,140
p10
$60,790
p90
$136,990
COL index (BEA RPP)100 = US average
87.8
See full breakdown for Oklahoma

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.