Probation Officer Salary in Illinois
The median probation officer salary in Illinois is $57,238 per year, which is 5% below the national median of $60,250.
Probation Officer Salary Overview in Illinois (2026)
Illinois ranks #24 out of 50 states for probation officer compensation. Illinois falls in the middle of the pack for probation officer pay, offering salaries near the national average. At $57,238 per year, probation officers in Illinois earn $3,012 less than the national median of $60,250.
Illinois's cost of living is near the national average at 95%, meaning probation officer salaries here translate closely to their face value in purchasing power.
The salary spread in Illinois is significant: probation officers at the 10th percentile earn $36,100, while those at the 90th percentile bring home $87,400 — a $51,300 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 $65,070.
Nationally, probation officer employment is projected to grow 3% over the next decade (as fast as average). This steady growth indicates stable demand for probation officers across the country.
Probation Officer Salary in Illinois by Experience
In Illinois, an entry-level probation officer earns around $38,000, while experienced professionals earn up to $83,600 per year. The cost of living index in Illinois is 95% of the national average.
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Check Your Rate — No Credit Impact →Salary Percentiles in Illinois
| Percentile | IL Salary |
|---|---|
| 10th Percentile | $36,100 |
| 25th Percentile | $45,600 |
| Median (50th) | $57,238 |
| 75th Percentile | $72,200 |
| 90th Percentile | $87,400 |
Probation Officer Salary by City in Illinois
The largest employment areas for probation officers in Illinois include Chicago, Aurora, Naperville, and Rockford. Salaries vary by city based on local cost of living and demand.
How to Become a Probation Officer in Illinois
Education
Most probation officer positions require a bachelor's degree. Illinois has several accredited institutions offering relevant programs.
Key Skills
Job Outlook in Illinois
Nationally, probation officer employment is projected to grow 3% over the next decade (as fast as average). Illinois's demand may vary based on local industry trends.
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