4. Colorado
Annual median wage: $90,390
Rank by annual median wage: 7
Job growth: 36.5%
Rank by job growth: 1
Cost of living index: 102.1
Rank by cost of living index: 32
Average score: 13.33
The main reason why Colorado ranks high on this list of best states for environmental engineers is the job growth for the occupation. The increase of 36.5% is the highest in America, and it will account for 130 new jobs per year by 2024. The annual median wage of $90,390 is well above the national average. Note though that Colorado is a costly state.