SOC 19-4042 · May 2025 · BLS OEWS
Environmental Science and Protection Technicians, Including Health — Illinois
Illinois · 3 metro areas compared
Median pay for this occupation in Illinois comes to $59,930 a year, ahead of the national median of $55,090 by 8.8%.
Wage distribution · annual
Shaded band holds the middle 50% of earners
Salary overview
Median pay for this occupation in Illinois comes to $59,930 a year, ahead of the national median of $55,090 by 8.8%. Pay ranges from under $40,970 at the tenth percentile to more than $99,680 at the ninetieth, with the interquartile range running from $49,200 to $78,520.
Employment stands at 980, or 0.2 jobs per thousand held locally. Illinois ranks number 14th out of 49 states by median pay for this occupation. Within the state, Chicago records the highest median at $60,380. Of the 747 occupations with published wages in this area, it sits 420th.
Percentile breakdown
| Percentile | Annual | vs US median |
|---|---|---|
| 10th | $40,970 | −25.6% |
| 25th | $49,200 | −10.7% |
| Median (50th) | $59,930 | +8.8% |
| 75th | $78,520 | +42.5% |
| 90th | $99,680 | +80.9% |
| Mean | $65,490 | +18.9% |
Highest-paying metro areas in Illinois
What the pay is worth locally
Prices in Illinois sit close to the national average, so $59,930 is worth roughly its face value against pay elsewhere.
Published median
$59,930as reported by BLSLocal price level
100.0US average = 100 · BEA 2024Adjusted for local prices
$59,930US average = 100 · BEA 2024Key takeaways
- Median pay is $59,930 a year, 8.8% above the national median.
- Published pay spans $40,970 to $99,680 between the tenth and ninetieth percentiles.
- The area has 980 jobs in this occupation.
- It ranks 14th of 49 states for this occupation.
- The highest-paying metro area covered is Chicago, at $60,380.
Frequently asked questions
What is the median wage for Environmental Science and Protection Technicians, Including Health in Illinois?
The median annual wage is $59,930, or $28.81 per hour, as of May 2025. Half of the workers in this occupation earn more than that and half earn less.
Is that higher than the national average?
The national median for this occupation is $55,090, so pay in Illinois is 8.8% higher. These figures are medians, not averages: half of workers fall on each side.
What do the top earners make?
The top tenth of this occupation in Illinois earns more than $99,680 per year. The ninetieth percentile is the highest figure the survey publishes.
What is the starting range?
The tenth percentile wage is $40,970 per year. The survey measures wages actually paid rather than experience level, so this reflects the lowest-paid tenth rather than entry-level pay specifically.
Which area nearby pays the most?
The highest median for this occupation among the metro areas covered is in Chicago, at $60,380 per year.
How many jobs are there in this occupation here?
The survey estimates 980 jobs in this occupation in Illinois. Self-employed workers are not included.
Source and methodology
U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 Wages are for wage-and-salary workers; self-employed workers are not included. Salary Explorer is an independent project. It is not affiliated with, or endorsed by, the U.S. Bureau of Labor Statistics or any government agency. Full methodology.
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