How much does a Geoscientist make in Illinois?

As of May 01, 2026, the average annual pay of Geoscientist in Illinois is $85,534. While Salary.com is seeing that Geoscientist salary in Illinois can go up to $113,071 or down to $75,760, but most earn between $80,418 and $99,948. Salary ranges can vary widely depending on many important factors, including education, certifications, additional skills and your experience levels. With more online, real-time compensation data than any other website, Salary.com helps you determine your exact pay target.

View Geoscientist Salary by Hour, Week, Month, Year

Salary.com provides you with accurate and diversified Geoscientist salary data based on specialized databases to help you get a fairer salary. Click the switch button below to see more details about Geoscientist hourly pay, weekly pay, monthly pay and so on.

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Geoscientist Salaries by Percentile
Annual
Salary
Monthly
Pay
Weekly
Pay
Hourly
Wage
75th Percentile $99,948 $8,329 $1,922 $48
Average $85,534 $7,128 $1,645 $41
25th Percentile $80,418 $6,701 $1,546 $39
25% $80,418 10% $75,760 90% $113,071 75% $99,948 $85,534 50%(Median) Didn’t find job title? Click
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Highest Paying Cities for Geoscientist in Illinois

The metropolitan areas that pay the highest salary in the Geoscientist profession are Chicago, Cicero, Oak Park, Elmwood Park, River Forest, Berwyn, Forest Park, Lincolnwood, River Grove, and Riverside.

Cities Salary
Chicago $86,717
Cicero $86,679
Oak Park $86,671
Elmwood Park $86,659
River Forest $86,653
Berwyn $86,652
Forest Park $86,648
Lincolnwood $86,641
River Grove $86,632
Riverside $86,628

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Job Openings for Geoscientist in Illinois

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What does Geoscientist do?

Geoscientist researches the formation, dissolution, and content of rock layers. Researches the effects of internal pressures, heat, water, pollution, and erosion. Being a Geoscientist studies variations in rock formations and densities to identify new mineral deposits. Estimates depth, quality and vastness of deposits. Additionally, Geoscientist tests mineral quality and purity to determine feasibility of mining. Requires a bachelor's degree. Typically reports to a supervisor or manager. To be a Geoscientist typically requires 4 to 7 years of related experience. Contributes to moderately complex aspects of a project. Work is generally independent and collaborative in nature. (Copyright 2026 Salary.com)... View full job description

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View Geoscientist Salaries in Other States

Geographic variations impact Geoscientist salary levels, due to various factors, such as cost of living, industries, market demand and company budgets. Click below to see pay differences between states.