How Much Do Probation Officers and Correctional Treatment Specialists Make in Illinois?
Median wage from BLS May 2025 — and the after-tax number the salary sites skip. Tax year 2026.
Quick answer
According to payandtaxes.com's analysis of BLS May 2025 data and 2026 tax law, the median Probation Officers and Correctional Treatment Specialists in Illinois earns $74,390 per year and takes home $57,626 ($4,802/month) — a keep-rate of 77.5%, with 2,590 employed in the state.
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| Gross pay | $6,199.17 |
| Federal income tax | $627.97 |
| Social Security | $384.35 |
| Medicare | $89.89 |
| Illinois state income tax | $294.79 |
| You keep | $4,802.16 |
How much do Probation Officers and Correctional Treatment Specialists make in Illinois?
The median Probation Officers and Correctional Treatment Specialists in Illinois earns $74,390 per year (BLS May 2025), about $35.76 per hour.
What is that after taxes?
$74,390 gross in Illinois keeps $57,626 after federal income tax ($7,536), FICA ($5,691) and state income tax ($3,538) — $4,802 per month, a 77.5% keep-rate.
How does Illinois compare to the national median for Probation Officers and Correctional Treatment Specialists?
The Illinois median is $8,120 above the national median of $66,270.
Which state pays Probation Officers and Correctional Treatment Specialists the most?
California has the highest median gross for Probation Officers and Correctional Treatment Specialists at $103,640 — but compare take-home, not gross: state taxes change the order.
Probation Officers and Correctional Treatment Specialists salary in every state · Illinois paycheck calculator · Illinois minimum wage