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Environmental Engineers Salary in Illinois

Last updated: 2025 BLS data · Page refreshed:

How much do Environmental Engineers make in Illinois?

Last updated: 2025 data from the Bureau of Labor Statistics

$107,990
Median Annual Salary
▲ +0.4% vs 2024
$116,020
Mean Salary
$107,990
Median Salary
$51.92
Hourly Rate
940 people work as Environmental Engineers in Illinois

Environmental Engineers salary by percentile in Illinois

BLS-reported salary distribution — from entry-level (10th percentile) to top earners (90th percentile).

Environmental Engineers salary in Illinois — 2025 BLS percentilesHorizontal bars showing 10th, 25th, 50th, 75th and 90th percentile annual salaries for Environmental Engineers in Illinois.10thBottom 10% earn less than $71,990$71,99025th25% earn less than $87,090$87,090MedianHalf earn more than $107,990$107,99075th75% earn less than $123,960$123,96090thTop 10% earn more than $153,150$153,150

Environmental Engineers in Illinois earn a median salary of $107,990 per year ($8,999/month). This is 3.8% above the national average of $104,071. Illinois ranks #16 out of 50 states for Environmental Engineers pay. Approximately 940 people work in this occupation across Illinois. Salaries increased by 0.4% compared to 2024.

About This Job: Environmental Engineers

Research, design, plan, or perform engineering duties in the prevention, control, and remediation of environmental hazards using various engineering disciplines. Work may include waste treatment, site remediation, or pollution control technology.

Top Skills

Reading Comprehension
4.0
Active Listening
4.0
Writing
4.0
Critical Thinking
4.0
Speaking
3.88

Key Knowledge Areas

Engineering and Technology
4.55
Mathematics
4.14
Chemistry
3.95
English Language
3.91
Design
3.82
Typical Education: Bachelor's Degree (63.6% of workers)

Source: O*NET OnLine, U.S. Department of Labor

Salary Range: Environmental Engineers in Illinois

Salaries for Environmental Engineers in Illinois range from $71,990 at the 10th percentile (entry level) to $153,150 at the 90th percentile (experienced). The middle 50% earn between $87,090 and $123,960.

Median $107,990
P10: $71,990 P25: $87,090 P75: $123,960 P90: $153,150
10th
$71,990
25th
$87,090
Median
$107,990
75th
$123,960
90th
$153,150
Percentile Annual Salary Hourly Rate Monthly
10th Percentile (Entry Level) $71,990 $34.61 $5,999
25th Percentile $87,090 $41.87 $7,257
Median (50th) $107,990 $51.92 $8,999
75th Percentile $123,960 $59.60 $10,330
90th Percentile (Experienced) $153,150 $73.63 $12,762

Note: The mean (average) salary of $116,020 differs from the median because salary distributions are typically skewed by high earners.

📊 How Does This Compare?

#16
Illinois ranks #16 of 50 states
$104,071
National avg. for Environmental Engineers
+3.8%
vs. national average
Near Average

What does this salary really buy? See Environmental Engineers salary in Illinois adjusted for cost of living →

How much do you actually take home? See Environmental Engineers take-home pay in Illinois after taxes →

Explore Environmental Engineers Data in Illinois

Environmental Engineers Salary by State

Compare Environmental Engineers pay across states — sorted by highest median salary.

View all 50 states →

Frequently Asked Questions

How much do Environmental Engineers make in Illinois?
The median annual salary for Environmental Engineers in Illinois is $107,990 as of 2025. The average (mean) salary is $116,020.
What is the salary range for a Environmental Engineers in Illinois?
Salaries for Environmental Engineers in Illinois range from $71,990 at the 10th percentile to $153,150 at the 90th percentile. The middle 50% earn between $87,090 and $123,960.
What is the starting salary for a Environmental Engineers in Illinois?
Entry-level Environmental Engineers positions in Illinois typically start around $71,990 (10th percentile). With some experience, salaries rise to $87,090 (25th percentile).
How many people work as Environmental Engineers in Illinois?
According to 2025 BLS data, approximately 940 people are employed as Environmental Engineers in Illinois.
What is the hourly rate for a Environmental Engineers in Illinois?
Based on a standard 2,080-hour work year, the median hourly rate for a Environmental Engineers in Illinois is approximately $51.92 per hour.

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Data Source & Methodology

Salary data is sourced from the U.S. Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics (OEWS) survey, 2025 estimates. The OEWS survey covers approximately 1.1 million establishments nationwide.

Annual salaries are calculated based on a standard 2,080-hour work year. Actual compensation may vary based on experience, education, employer, and local market conditions. Figures do not include benefits, bonuses, or overtime pay.

Our Methodology · Data Sources · Source: BLS OEWS

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