Epidemiologist Salary in Illinois
The median epidemiologist salary in Illinois is $74,594 per year, which is 5% below the national median of $78,520.
Epidemiologist Salary Overview in Illinois (2026)
Illinois ranks #24 out of 50 states for epidemiologist compensation. Illinois falls in the middle of the pack for epidemiologist pay, offering salaries near the national average. At $74,594 per year, epidemiologists in Illinois earn $3,926 less than the national median of $78,520.
Illinois's cost of living is near the national average at 95%, meaning epidemiologist salaries here translate closely to their face value in purchasing power.
The salary spread in Illinois is significant: epidemiologists at the 10th percentile earn $47,500, while those at the 90th percentile bring home $119,700 — a $72,200 gap that reflects differences in experience, specialization, employer type, and metro area. The highest-paying city in Illinois for this role is Naperville, where the median reaches $84,802.
Nationally, epidemiologist employment is projected to grow 27% over the next decade (much faster than average). This strong growth suggests increasing demand and competitive salaries in Illinois and beyond.
Epidemiologist Salary in Illinois by Experience
In Illinois, an entry-level epidemiologist earns around $49,400, while experienced professionals earn up to $114,000 per year. The cost of living index in Illinois is 95% of the national average.
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See Investment Options →Salary Percentiles in Illinois
| Percentile | IL Salary |
|---|---|
| 10th Percentile | $47,500 |
| 25th Percentile | $58,900 |
| Median (50th) | $74,594 |
| 75th Percentile | $95,950 |
| 90th Percentile | $119,700 |
Epidemiologist Salary by City in Illinois
The largest employment areas for epidemiologists in Illinois include Chicago, Aurora, Naperville, and Rockford. Salaries vary by city based on local cost of living and demand.
How to Become a Epidemiologist in Illinois
Education
Most epidemiologist positions require a master's degree. Illinois has several accredited institutions offering relevant programs.
Key Skills
Job Outlook in Illinois
Nationally, epidemiologist employment is projected to grow 27% over the next decade (much faster than average). Illinois's demand may vary based on local industry trends.
Negotiate Your Way to Senior Pay
Data shows Epidemiologists who negotiate earn 7–15% more. A single negotiation could add $39,406 over your career trajectory.
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