Computer and Information Systems Manager salary in Illinois
Updated Updated for 2026 tax law
A computer and information systems manager in Illinois earns a median of $171,730 a year ($82.56/hour equivalent), 1.9% below the national median of $175,140. Illinois ranks #15 of 51 states. About 31,680 people do this job in Illinois.
Take-home pay in Illinois
At the Illinois median, a single filer keeps about $120,288 a year after federal, FICA and Illinois taxes — $4,626 every two weeks. Try your own numbers with the Illinois paycheck calculator.
- Gross pay
- $6,605.00
- Federal income tax
- −$1,151.89
- Social Security (6.2%)
- −$409.51
- Medicare (1.45%)
- −$95.77
- Illinois income tax
- −$321.38
- Take-home pay
- $4,626.45
Annual breakdown
- Gross
- $171,730
- Federal
- $29,949
- FICA
- $13,137
- State + local
- $8,356
- Net
- $120,288
- Marginal federal rate
- 24.0%
- Marginal state rate
- 5.0%
2026 federal brackets (Rev. Proc. 2025-32) and 2026 state rules. Estimates assume wages are your only income and use annual liability, so your actual withholding can differ slightly.
How Illinois compares
| Rank | State | Median salary |
|---|---|---|
| #1 | California | $218,290 |
| #2 | Massachusetts | $214,960 |
| #3 | New York | $214,300 |
| #4 | Washington | $209,370 |
| #5 | New Jersey | $203,460 |
| #15 | Illinois | $171,730 |
| #49 | Arkansas | $127,220 |
| #50 | Mississippi | $124,280 |
| #51 | Wyoming | $120,850 |
See the national computer and information systems manager salary page for the full pay range and all states.
BLS occupation: Computer and Information Systems Managers (SOC 11-3021), May 2025, state estimates.
Frequently asked questions
How much does a computer and information systems manager make in Illinois?
The median salary is $171,730 a year and the average is $179,190 (BLS May 2025).
Is Illinois a good state for computer and information systems managers?
Illinois ranks #15 of 51 states for median pay in this job, 2% below the national median of $175,140.
What is $171,730 after taxes in Illinois?
About $120,288 a year ($4,626 every two weeks) for a single filer in 2026.
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Estimates for information only — not tax, legal or financial advice.