Salaries › Medical Scientist › Illinois
Medical Scientist Salary in Illinois (2026)
$39.58 per hour · take-home ≈ $62,674/year ($5,223/month) for a single filer
Illinois ranks 34th of 47 states for Medical Scientist pay, with a median about 22% below the national average. Of the 4,700 Medical Scientist jobs BLS counts in Illinois, the typical worker earns $82,330 a year — though pay ranges from $59,550 for newcomers to $143,890 at the top.
Medical Scientist pay range in Illinois
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $59,550 | Lowest-paid 10% earn less than this |
| 25th percentile | $65,570 | A quarter earn less |
| Median (50th) | $82,330 | Half earn more, half earn less |
| 75th percentile | $104,700 | Top quarter starts here |
| 90th percentile (top) | $143,890 | Highest-paid 10% earn more than this |
BLS reports 4,700 Medical Scientist jobs in Illinois (occupation code 19-1042, “Medical Scientists, Except Epidemiologists”).
Gross vs. take-home in Illinois
A median Medical Scientist salary of $82,330 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare, plus Illinois state income tax, a single filer keeps about $62,674 — an effective tax rate of 23.9%.
| Gross (median) | $82,330 |
| Federal income tax | −$9,283 |
| Social Security + Medicare | −$6,298 |
| Illinois state income tax | −$4,075 |
| Take-home (annual) | $62,674 |
| Take-home (monthly) | $5,223 |
Want your exact numbers — married, 401(k), different salary? Use the free Illinois paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Medical Scientist make in Illinois?
- The median Medical Scientist salary in Illinois is $82,330 per year ($39.58 per hour) according to the latest BLS data. The middle 50% earn between $65,570 and $104,700.
- What is the take-home pay for a Medical Scientist in Illinois?
- On the median salary of $82,330, a single filer in Illinois takes home about $62,674 per year ($5,223 per month) after federal tax, FICA, and state income tax — an effective tax rate of 23.9%.
- How many Medical Scientist jobs are there in Illinois?
- BLS counts 4,700 Medical Scientist jobs in Illinois in the latest survey (May 2025).
Top-paying states for Medical Scientists
Other salaries in Illinois
Sources and methodology
Wage and employment figures: BLS OEWS May 2025 (state file, released April 2026) — the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey, the most authoritative public salary dataset. Take-home estimate: 2026 federal brackets, FICA, and verified Illinois state tax rules (single filer, standard deduction, no credits or local taxes). Estimates only — not financial advice.
- BLS OEWS — official occupational wage data.
- PaycheckTally — interactive 2026 take-home calculator for Illinois.