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Illinois

Hydrologists Salary in Illinois

BLS Occupational Employment & Wage Statistics · May 2025

Mean Annual
$92,640
-9.9% vs national
Hourly Wage
$44.54
 
10th Percentile
$59,070
Entry level
90th Percentile
$133,430
Senior level
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Salary Range

Hydrologists in Illinois earn between $59,070 and $133,430, with a mean of $92,640. The national average for this role is $102,831.

$92,640 mean
10th Percentile$59,07090th Percentile$133,430

How Illinois Compares

LocationMean Salary
Illinois$92,640
National Average$102,831
Maryland$145,970
New Jersey$127,450
Washington$123,510
California$122,940
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Data Source

Bureau of Labor Statistics OEWS, May 2025. Illinois. Hourly wages assume 2,080 hours/year.