How Much Do Mental Health and Substance Abuse Social Workers 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 Mental Health and Substance Abuse Social Workers in Illinois earns $49,960 per year and takes home $39,995 ($3,333/month) — a keep-rate of 80.1%, with 3,460 employed in the state.
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| Gross pay | $4,163.33 |
| Federal income tax | $317.93 |
| Social Security | $258.13 |
| Medicare | $60.37 |
| Illinois state income tax | $194.02 |
| You keep | $3,332.89 |
How much do Mental Health and Substance Abuse Social Workers make in Illinois?
The median Mental Health and Substance Abuse Social Workers in Illinois earns $49,960 per year (BLS May 2025), about $24.02 per hour.
What is that after taxes?
$49,960 gross in Illinois keeps $39,995 after federal income tax ($3,815), FICA ($3,822) and state income tax ($2,328) — $3,333 per month, a 80.1% keep-rate.
How does Illinois compare to the national median for Mental Health and Substance Abuse Social Workers?
The Illinois median is $10,320 below the national median of $60,280.
Which state pays Mental Health and Substance Abuse Social Workers the most?
New York has the highest median gross for Mental Health and Substance Abuse Social Workers at $79,380 — but compare take-home, not gross: state taxes change the order.
Mental Health and Substance Abuse Social Workers salary in every state · Illinois paycheck calculator · Illinois minimum wage