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GC Chemist Salary in Illinois

How much does a GC Chemist make in Illinois? As of September 01, 2026, the average salary for a GC Chemist in Illinois is $105,391 per year, which breaks down to an hourly rate of $51.

However, a GC Chemist's salary can vary significantly. Here's a look at the typical salary range:

  • Top Earners (90th percentile): $128,523
  • Majority Range (25th-75th percentile): $95,839 to $117,499
  • Entry-Level (10th percentile): $87,143
Salary Factors Salary by Experience Related Job Salaries Top Paying Cities Explore Related Jobs

Check out GC Chemist Job Openings in Illinois

Key Factors That Influence GC Chemist Salaries

A GC Chemist's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.

How Experience Level Affects GC Chemist Salaries?

Experience is a primary driver of a GC Chemist's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:

  • Entry-Level (less than 1 year): $68,441
  • Early Career (1-2 years): $84,887
  • Mid-Level (2-4 years): $102,868
  • Senior-Level (5-8 years): $134,909
  • Expert (over 8 years): $157,525
Job RoleYears of ExperienceAverage Salary
Chemist I less than 1 year $68,441
Chemist II 1-2 years $84,887
GC Chemist 2-4 years $102,868
Chemist IV 5-8 years $134,909
Chemist V over 8 years $157,525

How Do GC Chemist Salaries Vary from State to State?

Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract GC Chemists. For example, consider the average annual salaries in these key locations:

  • District of Columbia: $114,479.
  • California: $114,045.
  • Massachusetts: $112,525.

Top Paying Cities for GC Chemist

Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:

  • Effingham: $97,149
  • Saint Peter: $97,016
  • Salem: $97,385

GC Chemist Salary by Industry: Top Paying Sectors

For GC Chemist roles, the industry you choose can affect earning potential by as much as 42% (the gap between the highest and lowest paying industries). Data shows that the Biotechnology and Energy & Utilities sectors offer the strongest compensation, at 20% above the average. In contrast, GC Chemist positions in Transportation or MFG Nondurable typically offer lower base pay, as these industries often view GC Chemist as a support function rather than a direct revenue driver.

The top paying industries for a GC Chemist

Industry Sector Average Annual Salary Average Hourly Rate Pay vs.Avg
Biotechnology $126,469 $61.0 20%
Energy & Utilities $121,199 $58.0 15%
Aerospace & Defense $118,037 $57.0 12%
MFG Durable $115,930 $56.0 10%
Chemicals $113,822 $55.0 8%

GC Chemist Salary: Hourly Rate, Weekly Pay, and Monthly Pay

Understanding how a GC Chemist's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.

  • Yearly
  • Monthly
  • Weekly
  • Hourly
  • Table View
Last Updated on September 01, 2026
$95,839
Average $105,391/year
$117,499
$7,987
Average $8,783/month
$9,792
$1,843
Average $2,027/week
$2,260
$46
Average $51/hour
$56
Annual Salary Monthly Pay Weekly Pay Hourly Wage
75th Percentile $117,499 $9,792 $2,260 $56
Average $105,391 $8,783 $2,027 $51
25th Percentile $95,839 $7,987 $1,843 $46

Find Your Next GC Chemist Job

Ready to take the next step in your career? Browse thousands of current GC Chemist job openings on our job board. Use the search bar below to find your perfect match.

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Where Does Our Salary Data Come From?

Salary.com salary estimates, histograms, trends, and comparisons are derived from both employer job postings and third-party data sources. We also provide multiple percentiles of salary information for your reference, click here to know Why the Salary Midpoint Formula Is Crucial to Getting Pay Equity Right. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.

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