Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — state estimates. Data captured September 30, 2026.
Pay in Illinois, all employers Sourced
Probation Officers and Correctional Treatment Specialists (SOC 21-1092) in Illinois, all employers combined: BLS state estimates do not separate government from private.
| Measure | IL |
|---|---|
| Workers | 2,590 |
| 10th percentile | $49,330 |
| Median | $74,390 |
| 90th percentile | $107,710 |
| National median, government employers | $67,120 |
Sources: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — state estimates; U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — national estimates by ownership. Data captured September 30, 2026.
Pension in Illinois
State employees: the general plan
| Plan | Accrual | Normal retirement | Employee pays | Social Security |
|---|---|---|---|---|
| State Employees' Retirement System of Illinois - Tier 2 regular formula Tier 2 | 1.67% | age 67 with 10 years of creditable service | 4% | Varies |
Local employees: the general plan
| Plan | Accrual | Normal retirement | Employee pays | Social Security |
|---|---|---|---|---|
| Illinois Municipal Retirement Fund - Tier 2 Regular Plan Tier 2 Regular | — | age 67 with 10 years of service | 4.5% | Varies |
The statewide plan a new hire usually joins; where a general plan is shown, some police and fire employers run their own safety plans. Some cities and counties run their own plans; check with the employer. Each plan's formula, vesting, cost-of-living adjustment and retiree health are on the Illinois pension plans list.
Source: State retirement systems, Official state retirement system pages, member handbooks and statutes. Data captured October 2, 2026.
More about this job
Requirements, hiring process, training, schedule and day-to-day work are on the national Probation Officer page.
Probation Officer in other states
More government jobs in Illinois
Illinois government jobs · Illinois public pension plans · police officer standards in Illinois · exam practice in Illinois