Data Scientist Salary in Illinois
Illinois · Updated 2025 · Adjusted for local cost of living
Data Scientist Salary by Experience Level in Illinois
| Experience | P10 | P25 | Median | P75 | P90 |
|---|---|---|---|---|---|
Entry Level 0–2 years | $68K | $80K | $94,500 | $110K | $128K |
Mid Level 3–5 years | $97K | $113K | $132,300 | $155K | $181K |
Senior Level 6–9 years | $128K | $151K | $176,400 | $206K | $242K |
Lead / Principal 10–14 years | $158K | $184K | $212,100 | $247K | $292K |
Director / Executive 15+ years | $200K | $239K | $285,600 | $344K | $431K |
All figures are annual base salary in USD, adjusted for Illinois cost of living (×1.05 vs national average). Source: BLS OES 2024, LinkedIn Salary Insights, Glassdoor.
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