Probation Officers and Correctional Treatment Specialists salary in Illinois
Probation Officers and Correctional Treatment Specialists in Illinois earn a median of $74,390 a year ($35.76 an hour), based on BLS data for 2,590 workers.
Pay ranges from $49,330 for the lowest-paid 10% to $107,710 for the top 10%. That is 12% higher than the national median of $66,270. Illinois ranks 16th of 46 states for probation officers and correctional treatment specialists pay. There are 0.42 probation officers and correctional treatment specialists per 1,000 jobs here — the job is less common than nationally (location quotient 0.74). The average (mean) salary is $78,380, above the median because a few high earners pull it up.
Pay range for probation officers and correctional treatment specialists in Illinois
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $49,330 | $23.72 |
| 25th percentile | $59,510 | $28.61 |
| Median | $74,390 | $35.76 |
| 75th percentile | $98,390 | $47.30 |
| 90th percentile (top earners) | $107,710 | $51.79 |
| Average (mean) | $78,380 | $37.68 |
Half of probation officers and correctional treatment specialists earn more than the median and half earn less. Percentiles show the spread: 10% earn less than the 10th percentile, and 10% earn more than the 90th.
Median paycheck, before taxes
| Pay period | Amount |
|---|---|
| Monthly | $6,199.17 |
| Semi-monthly (24 a year) | $3,099.58 |
| Biweekly (26 a year) | $2,861.15 |
| Weekly | $1,430.58 |
| Hourly | $35.76 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Buying a home? On a $74,390 salary, see how much house you can afford in Illinois at today's mortgage rates, or work out a payment with the mortgage calculator.
Probation Officers and Correctional Treatment Specialists salary in cities in Illinois
| Metro area | Median salary | Workers |
|---|---|---|
| Peoria, IL | $74,410 | 120 |
| Chicago-Naperville-Elgin, IL-IN | $67,610 | 1,560 |
| Davenport-Moline-Rock Island, IA-IL | $65,920 | 130 |
| Rockford, IL | $47,600 | 90 |
| Springfield, IL | $47,580 | 30 |
| St. Louis, MO-IL | $47,260 | 660 |
Highest-paying states for probation officers and correctional treatment specialists
| State | Median salary |
|---|---|
| California | $103,640 |
| Connecticut | $97,350 |
| Massachusetts | $94,590 |
| Oregon | $84,920 |
| Vermont | $83,820 |
| Washington | $82,750 |
| Delaware | $81,880 |
| Minnesota | $81,580 |
| New York | $80,350 |
| New Jersey | $80,280 |
See Probation Officers and Correctional Treatment Specialists pay in every state.
Related jobs in Illinois
| Job | Median salary | Hourly |
|---|---|---|
| Social and Human Service Assistants | $46,950 | $22.57 |
| Substance Abuse, Behavioral Disorder, and Mental Health Counselors | $60,730 | $29.20 |
| Child, Family, and School Social Workers | $63,220 | $30.39 |
| Educational, Guidance, and Career Counselors and Advisors | $62,420 | $30.01 |
| Healthcare Social Worker | $64,270 | $30.90 |
| Rehabilitation Counselor | $49,350 | $23.73 |
| Mental Health and Substance Abuse Social Workers | $49,960 | $24.02 |
| Community and Social Service Specialists, All Other | $40,900 | $19.67 |
| Community Health Worker | $49,240 | $23.67 |
| Social Workers, All Other | $64,030 | $30.79 |
| Health Education Specialist | $60,120 | $28.90 |
| Marriage and Family Therapists | $60,970 | $29.31 |
| Counselors, All Other | $49,360 | $23.73 |
| Clergy | $61,820 | $29.72 |
More: Community and Social Service Occupations · all salaries in Illinois
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates, occupation code 21-1092. Wages include base pay, tips, commissions and shift pay, but not overtime, bonuses or benefits, and exclude the self-employed.
Frequently asked questions
How much does a probation officers and correctional treatment specialists make in Illinois?
The median salary for probation officers and correctional treatment specialists in Illinois is $74,390 a year, or $35.76 an hour. Pay ranges from $49,330 for the lowest-paid 10% to $107,710 for the top 10%.
How much do the highest-paid probation officers and correctional treatment specialists make in Illinois?
The top 10% of probation officers and correctional treatment specialists in Illinois earn at least $107,710 a year. The top 25% earn $98,390 or more.
What is the starting pay for probation officers and correctional treatment specialists in Illinois?
Entry-level pay (the 10th percentile) is about $49,330 a year, and a quarter of probation officers and correctional treatment specialists earn $59,510 or less.
How many probation officers and correctional treatment specialists work in Illinois?
About 2,590 probation officers and correctional treatment specialists are employed in Illinois, not counting the self-employed.