Environmental Engineers Salary
In Illinois, environmental engineers earn $107,990 at the median, or about $51.92 an hour. The range runs from $72K at the entry level to $153K for experienced workers. Cost of living is below average (RPP 93.85), which stretches that salary to about $115,067 in buying power. Rent on a 2-bedroom averages $1,407/month, or 20.6% of estimated take-home pay.
Statewide average. Salary and cost of living vary significantly across Illinois. Jump to a metro for precise data:
So what does $108K get you in Illinois?
About environmental engineers
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What this looks like in Illinois
Environmental engineers pay in Illinois tracks closely to the national median, $108K locally vs. $107K nationwide, a 1% difference. Housing is manageable: a 2-bedroom at the HUD median costs $1,407/month, 21.4% of take-home, well inside the 30% guideline. Regional Price Parity sits at 93.85 (national = 100), meaning everyday costs run about 6% cheaper here. Your dollar stretches further than the headline salary suggests. Use the affordability calculator above to model your specific situation.
Compensation breakdown
Annual earnings by percentile, Illinois
Entry-level environmental engineers (10th percentile) start around $72K. Mid-career wages sit at $108K. Top earners bring in $153K or more, a $81K spread from bottom to top.
Environmental Engineers salary by metro in Illinois
2 metro areas with BLS data, ranked by median pay
| Metro area | Median salary | vs. state | Employment |
|---|---|---|---|
| Chicago-Naperville-Elgin | $111K | +3% | 660 |
| Springfield | $103K | -4% | 120 |
Compare to other states
Track environmental engineers salary changes
BLS updates this data quarterly. We'll email you when Illinois numbers change.
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Frequently asked questions
Can a environmental engineer afford a 2BR apartment alone in Illinois?
Yes — at the median salary of $108K, rent takes 21.4% of take-home pay. A 2-bedroom at the HUD Fair Market Rent runs $1,407/month. That stays under the 30% guideline most financial planners use.
What’s the entry-level salary for environmental engineers in Illinois?
The 10th-percentile wage — what new environmental engineers typically earn — is $72K/year. Take-home on that works out to about $4,319/month. At HUD’s $1,407/month FMR, rent would take 33% of that take-home — above the 30% guideline, so a 1-bedroom or shared housing is likely necessary starting out.
Is environmental engineer a high-paying job in Illinois?
Pay here is roughly in line with the national average — $108K locally vs. $107K nationally, a 1% difference.
How does Illinois compare to the national average for environmental engineers?
Illinois pays $108K median vs. the U.S. average of $107K — that’s +1%. After adjusting for local cost of living (RPP 93.85), the purchasing-power equivalent is $115K — still ahead of the national median.
How much do environmental engineers make in Illinois?
The median is $107,990 a year, that works out to about $52 an hour. But the range is wide: entry-level workers start around $71,990, and experienced environmental engineers can clear $153,150. These are BLS numbers, based on employer-reported data, not self-reported surveys.
Is $108K enough to live in Illinois?
On that salary, you'd take home roughly $6,584/month after taxes. A 2-bedroom here rents for about $1,407/month, which eats 21.4% of your paycheck. That's under the 30% guideline most financial planners use, so the numbers work.
How far does a environmental engineers salary go in Illinois?
Illinois has a Regional Price Parity of 93.85 (100 is the national average). That's below average, your money stretches further here than the raw salary number suggests. After cost-of-living adjustment, the median environmental engineers salary is worth about $115,067 in national-average purchasing power.
Where do environmental engineers get paid the most?
The table above ranks every state by median pay for this role. Keep in mind that the highest-paying states tend to have the highest costs of living, so the top salary doesn't always mean the most money in your pocket.
