Salaries › Computer Network Support Specialist › Illinois
Computer Network Support Specialist Salary in Illinois (2026)
$32.95 per hour · take-home ≈ $53,649/year ($4,471/month) for a single filer
Illinois ranks 32nd of 51 states for Computer Network Support Specialist pay, with a median about 10% below the national average. Of the 6,960 Computer Network Support Specialist jobs BLS counts in Illinois, the typical worker earns $68,530 a year — though pay ranges from $47,510 for newcomers to $104,950 at the top.
Computer Network Support Specialist pay range in Illinois
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $47,510 | Lowest-paid 10% earn less than this |
| 25th percentile | $58,670 | A quarter earn less |
| Median (50th) | $68,530 | Half earn more, half earn less |
| 75th percentile | $84,410 | Top quarter starts here |
| 90th percentile (top) | $104,950 | Highest-paid 10% earn more than this |
BLS reports 6,960 Computer Network Support Specialist jobs in Illinois (occupation code 15-1231, “Computer Network Support Specialists”).
Gross vs. take-home in Illinois
A median Computer Network Support Specialist salary of $68,530 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare, plus Illinois state income tax, a single filer keeps about $53,649 — an effective tax rate of 21.7%.
| Gross (median) | $68,530 |
| Federal income tax | −$6,247 |
| Social Security + Medicare | −$5,243 |
| Illinois state income tax | −$3,392 |
| Take-home (annual) | $53,649 |
| Take-home (monthly) | $4,471 |
Want your exact numbers — married, 401(k), different salary? Use the free Illinois paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Computer Network Support Specialist make in Illinois?
- The median Computer Network Support Specialist salary in Illinois is $68,530 per year ($32.95 per hour) according to the latest BLS data. The middle 50% earn between $58,670 and $84,410.
- What is the take-home pay for a Computer Network Support Specialist in Illinois?
- On the median salary of $68,530, a single filer in Illinois takes home about $53,649 per year ($4,471 per month) after federal tax, FICA, and state income tax — an effective tax rate of 21.7%.
- How many Computer Network Support Specialist jobs are there in Illinois?
- BLS counts 6,960 Computer Network Support Specialist jobs in Illinois in the latest survey (May 2025).
Top-paying states for Computer Network Support Specialists
Other salaries in Illinois
Sources and methodology
Wage and employment figures: BLS OEWS May 2025 (state file, released April 2026) — the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey, the most authoritative public salary dataset. Take-home estimate: 2026 federal brackets, FICA, and verified Illinois state tax rules (single filer, standard deduction, no credits or local taxes). Estimates only — not financial advice.
- BLS OEWS — official occupational wage data.
- PaycheckTally — interactive 2026 take-home calculator for Illinois.