Mental Health and Substance Abuse Social Workers salary in Illinois

Mental Health and Substance Abuse Social Workers in Illinois earn a median of $49,960 a year ($24.02 an hour), based on BLS data for 3,460 workers.

Median salary
$49,960
Hourly
$24.02
Average
$58,130
Top 10% earn
$79,050
Workers
3,460

Pay ranges from $39,910 for the lowest-paid 10% to $79,050 for the top 10%. That is 17% lower than the national median of $60,280. Illinois ranks 34th of 51 states for mental health and substance abuse social workers pay. There are 0.57 mental health and substance abuse social workers per 1,000 jobs here — the job is less common than nationally (location quotient 0.66). The average (mean) salary is $58,130, above the median because a few high earners pull it up.

Pay range for mental health and substance abuse social workers in Illinois

$0$110,000
Pay levelYearlyHourly
10th percentile (entry level)$39,910$19.19
25th percentile$46,290$22.25
Median$49,960$24.02
75th percentile$69,210$33.28
90th percentile (top earners)$79,050$38.01
Average (mean)$58,130$27.95

Half of mental health and substance abuse social workers 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 periodAmount
Monthly$4,163.33
Semi-monthly (24 a year)$2,081.67
Biweekly (26 a year)$1,921.54
Weekly$960.77
Hourly$24.02

Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.

Buying a home? On a $49,960 salary, see how much house you can afford in Illinois at today's mortgage rates, or work out a payment with the mortgage calculator.

Mental Health and Substance Abuse Social Workers salary in cities in Illinois

Metro areaMedian salaryWorkers
Davenport-Moline-Rock Island, IA-IL$58,830120
Chicago-Naperville-Elgin, IL-IN$57,7202,450
St. Louis, MO-IL$49,520820
Peoria, IL$49,00050
Springfield, IL$46,010150
Rockford, IL$45,280110

Highest-paying states for mental health and substance abuse social workers

StateMedian salary
New York$79,380
California$79,000
Connecticut$78,640
Minnesota$75,020
Maryland$73,580
District of Columbia$73,310
Vermont$73,210
Washington$70,460
Oregon$68,210
New Jersey$66,590

See Mental Health and Substance Abuse Social Workers pay in every state.

Related jobs in Illinois

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 21-1023. 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 mental health and substance abuse social workers make in Illinois?

The median salary for mental health and substance abuse social workers in Illinois is $49,960 a year, or $24.02 an hour. Pay ranges from $39,910 for the lowest-paid 10% to $79,050 for the top 10%.

How much do the highest-paid mental health and substance abuse social workers make in Illinois?

The top 10% of mental health and substance abuse social workers in Illinois earn at least $79,050 a year. The top 25% earn $69,210 or more.

What is the starting pay for mental health and substance abuse social workers in Illinois?

Entry-level pay (the 10th percentile) is about $39,910 a year, and a quarter of mental health and substance abuse social workers earn $46,290 or less.

How many mental health and substance abuse social workers work in Illinois?

About 3,460 mental health and substance abuse social workers are employed in Illinois, not counting the self-employed.