Environmental Scientist Salary in Chicago, IL — 2026
Environmental Scientist salary data for Chicago, IL — adjusted for local cost of living. Entry-level to senior pay ranges, take-home pay calculator, and local job market insights.
The median Environmental Scientist salary in Chicago, IL is $83,460 per year ($6,955/month, $40/hr). This reflects the local cost of living index of 107, which is 7% above the national average.
Environmental Scientist Take-Home Pay in Chicago
Tax Breakdown (Median Salary)
| Gross Annual | $83,460 |
| Federal Tax | -$9,531 |
| State Tax (5.0%) | -$4,131 |
| FICA (SS + Medicare) | -$6,385 |
| Annual Take-Home | $63,413 |
| Monthly Take-Home | $5,284 |
Living Cost Comparison
Environmental Scientist Requirements
Key Skills
Chicago Job Market Overview
Chicago, Illinois has a population of 2,696,555 and an unemployment rate of 4.2%. The top industries are Finance, Technology, Healthcare. The local job growth rate is 1.5%, and the average commute time is 35 minutes.
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Salary Percentile Breakdown — Environmental Scientist in Chicago
Based on the cost-of-living-adjusted distribution for Environmental Scientist in Chicago, IL, here's how earnings break down across the workforce:
| Percentile | Annual Salary | Hourly Equivalent | Career Stage |
|---|---|---|---|
| 10th (lowest) | $54,570 | $26/hr | Entry-level, < 1 yr exp. |
| 25th | $69,015 | $33/hr | Junior, 1-3 yrs exp. |
| 50th (median) | $83,460 | $40/hr | Mid-career, 1-3 years |
| 75th | $101,650 | $49/hr | Senior, 5-10 yrs exp. |
| 90th (top) | $132,680 | $64/hr | Lead/Principal, 10+ yrs |
Percentiles estimated using a log-normal salary distribution model calibrated to Environmental Scientist compensation data. Top earners (P90) typically include managers, specialists with rare skills, or those at high-paying employers in Chicago's Finance sector.
5-Year Salary Trajectory
Environmental Scientist salaries in Chicago have grown approximately 15.0% over the past 5 years, outpacing local CPI inflation in many cases. Here's the historical and projected trajectory:
Year-over-year, an average Environmental Scientist can expect a 13.2% annual increase moving from entry to senior level over 5 years in Chicago. Negotiation, certifications (LEED, QEP), and changing employers strategically can accelerate this trajectory.
Chicago vs National Average
The national median Environmental Scientist salary is $78,000. In Chicago, the cost-of-living-adjusted median of $83,460 is 7.0% above the national figure. This reflects Chicago's cost of living index of 107 (higher than the national average of 100).
For Environmental Scientists, this means: rent typically consumes 33.1% of take-home pay (households spending >30% are considered rent-burdened), and a median home in Chicago costs about 5.0× annual take-home. Homeownership is relatively attainable on this salary in Chicago.
Industry Context: Finance in Chicago
Chicago's economy is anchored by Finance, Technology, Healthcare, with 2,696,555 residents and 4.2% unemployment as of 2026. Environmental Scientists working in the Finance sector typically earn at or above the local median due to industry-specific demand. The state's overall job growth rate is 1.5%, and Environmental Scientist occupations specifically are projected to grow 6.0% nationally through 2034 (BLS Occupational Outlook Handbook).
Methodology & Data Sources
How we calculate Environmental Scientist salaries in Chicago, IL:
- Base salary model starts with Salario occupation data and public wage references, including BLS OEWS and O*NET when a direct or related occupational crosswalk is available. For niche titles, we do not treat a broader SOC family as an exact job-title wage.
- Cost-of-living adjustment applied using the Chicago index of 107 relative to the national baseline of 100, with local rent, home price, unemployment, and tax inputs checked separately.
- Percentile distribution (P10-P90) estimated from the entry, median, senior, and top compensation tiers in the Salario salary model rather than claimed as exact employer payroll data.
- Take-home pay calculated using 2026 federal tax brackets (10%-37%), IL state income tax of 5.0%, and FICA (Social Security 6.2% + Medicare 1.45%).
- Tax brackets and standard deduction ($16,100 single filer for tax year 2026) sourced from IRS Revenue Procedure 2025-32 and updated annually.
Authoritative data sources:
- BLS Occupational Employment and Wage Statistics — national and metro-area salary data
- O*NET OnLine — occupation tasks, alternate job titles, skills, and SOC crosswalks
- BLS Occupational Outlook Handbook — occupation outlook where a matching profile is available
- BLS Consumer Price Index (CPI-U) — regional inflation and cost-of-living data
- U.S. Census Bureau — Chicago QuickFacts — population and demographic data
- IRS Revenue Procedure 2025-32 summary — 2026 federal tax brackets and standard deductions
- BLS Local Area Unemployment Statistics — Chicago unemployment rate
Last reviewed: 2026. Salary data updated annually as new BLS releases become available. Environmental Scientist salaries can vary significantly based on employer, sector (Finance vs others in Chicago), specific skill set (Environmental Sampling, GIS, Data Analysis), and individual negotiation. Always verify current compensation through multiple sources before making career decisions.
Frequently Asked Questions
What is the average Environmental Scientist salary in Chicago, IL?
How much does a Environmental Scientist take home in Chicago after taxes?
Is Chicago a good city for Environmental Scientists?
What skills are needed for a Environmental Scientist in Chicago?
How does Environmental Scientist salary in Chicago compare to the national average?
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Frequently Asked Questions
What is the average Environmental Scientist salary in Chicago, IL?
The median Environmental Scientist salary in Chicago, IL is $83,460 per year as of 2026. This is adjusted for the local cost of living index of 107. Entry-level Environmental Scientists earn around $54,570, while senior-level professionals can earn $101,650 or more.
How much does a Environmental Scientist take home in Chicago after taxes?
A Environmental Scientist earning the median salary of $83,460 in Chicago, IL takes home approximately $63,413 per year ($5,284/month) after federal, state, and local taxes. The effective tax rate is 24.0%.
Is Chicago a good city for Environmental Scientists?
Chicago, IL has a cost of living index of 107 (above national average). Environmental Scientists here earn above the city median. The local unemployment rate is 4.2% and top industries include Finance, Technology, Healthcare.
What skills are needed for a Environmental Scientist in Chicago?
Key skills for Environmental Scientists include Environmental Sampling, GIS, Data Analysis, Report Writing, EPA Regulations. Typical education requirement is Bachelor's Degree. Valuable certifications include LEED, QEP, Hazmat Certification.
How does Environmental Scientist salary in Chicago compare to the national average?
The national median Environmental Scientist salary is $78,000. In Chicago, the adjusted salary is $83,460, which is 7.0% higher than the national average, reflecting the local cost of living.