SalaryData

Chemical Engineer Salary in Illinois

Based on 520+ workers in Illinois

Data year: 2025 · Last updated: June 2026

Median Annual Salary (IL)

$121,560

$58.442/hr

vs National Average

$115,633

+5.1% vs national median

Salary Range (10th–90th)

$79K $176K

520 employed in Illinois

Chemical engineers in Illinois earn a median salary of $121,560 per year, which sits approximately 5% above the national average. With around 520 chemical engineers currently employed throughout the state, Illinois represents a solid market for professionals in this field. Salaries in the state typically range from $79,120 to $176,110 annually, reflecting the diversity of experience and specialization within the profession.

Several factors influence chemical engineer salary in Illinois, including years of experience, educational credentials, and the specific industry sector. Geographic location within the state, company size, and whether positions are in manufacturing, petrochemicals, or pharmaceuticals all play roles in determining compensation. Advanced certifications and specialized expertise can push earnings toward the higher end of the salary range, while entry-level positions tend to cluster at the lower end.

Salary Distribution — Chemical Engineer in Illinois

Chemical Engineer (IL) salary percentiles
PercentileAnnual Salary
10th percentile$79,120
25th percentile$95,800
Median (50th percentile)$121,560
75th percentile$140,010
90th percentile$176,110

Historical Salary Trend — Chemical Engineer in Illinois vs National

Historical Chemical Engineer (Illinois vs National) salary trend
YearMedian Salary (United States)
2022$110,130
2023$107,080
2024$120,360
2025$121,560
Historical salary trend for Chemical Engineer in Illinois
YearIllinois MedianNational Median
2022$110,130$104,335
2023$107,080$110,377
2024$120,360$114,171
2025$121,560$115,633

Chemical Engineer Salary by Experience Level in Illinois

Chemical Engineer Salary in Other States

Frequently Asked Questions

How much do chemical engineers make in Illinois?

Chemical engineers in Illinois earn a median salary of $121,560 per year, or $58 per hour. This is 5.1% higher than the national average for chemical engineers.

What is the salary range for chemical engineers in Illinois?

Chemical engineers in Illinois can expect salaries ranging from $79,120 at the lower end to $176,110 at the upper end, depending on experience and specialization.

How many chemical engineers are employed in Illinois?

There are currently 520 chemical engineers employed throughout Illinois.

Is Illinois a good state for chemical engineer salaries?

Yes, Illinois offers competitive salaries for chemical engineers with a median of $121,560 annually, which exceeds the national average by 5.1%, making it an attractive state for this profession.

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