Biostatistician Salary in Illinois
The median biostatistician salary in Illinois is $90,250 per year, which is 5% below the national median of $95,000.
Biostatistician Salary Overview in Illinois (2026)
Illinois ranks #24 out of 50 states for biostatistician compensation. Illinois falls in the middle of the pack for biostatistician pay, offering salaries near the national average. At $90,250 per year, biostatisticians in Illinois earn $4,750 less than the national median of $95,000.
Illinois's cost of living is near the national average at 95%, meaning biostatistician salaries here translate closely to their face value in purchasing power.
The salary spread in Illinois is significant: biostatisticians at the 10th percentile earn $55,100, while those at the 90th percentile bring home $147,250 — a $92,150 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 $102,600.
Nationally, biostatistician employment is projected to grow 30% over the next decade (much faster than average). This strong growth suggests increasing demand and competitive salaries in Illinois and beyond.
Biostatistician Salary in Illinois by Experience
In Illinois, an entry-level biostatistician earns around $58,900, while experienced professionals earn up to $140,600 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 | $55,100 |
| 25th Percentile | $70,300 |
| Median (50th) | $90,250 |
| 75th Percentile | $119,700 |
| 90th Percentile | $147,250 |
Biostatistician Salary by City in Illinois
The largest employment areas for biostatisticians in Illinois include Chicago, Aurora, Naperville, and Rockford. Salaries vary by city based on local cost of living and demand.
How to Become a Biostatistician in Illinois
Education
Most biostatistician positions require a master's degree. Illinois has several accredited institutions offering relevant programs.
Key Skills
Job Outlook in Illinois
Nationally, biostatistician employment is projected to grow 30% 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 Biostatisticians who negotiate earn 7–15% more. A single negotiation could add $50,350 over your career trajectory.
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