How Much Do Network and Computer Systems Administrators 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 Network and Computer Systems Administrators in Illinois earns $100,080 per year and takes home $74,427 ($6,202/month) — a keep-rate of 74.4%, with 9,820 employed in the state.
Free. No signup. Single filer, standard deduction — full model.
| Gross pay | $8,340.00 |
| Federal income tax | $1,098.96 |
| Social Security | $517.08 |
| Medicare | $120.93 |
| Illinois state income tax | $400.76 |
| You keep | $6,202.27 |
How much do Network and Computer Systems Administrators make in Illinois?
The median Network and Computer Systems Administrators in Illinois earns $100,080 per year (BLS May 2025), about $48.12 per hour.
What is that after taxes?
$100,080 gross in Illinois keeps $74,427 after federal income tax ($13,187), FICA ($7,656) and state income tax ($4,809) — $6,202 per month, a 74.4% keep-rate.
How does Illinois compare to the national median for Network and Computer Systems Administrators?
The Illinois median is $950 above the national median of $99,130.
Which state pays Network and Computer Systems Administrators the most?
Maryland has the highest median gross for Network and Computer Systems Administrators at $118,290 — but compare take-home, not gross: state taxes change the order.
Network and Computer Systems Administrators salary in every state · Illinois paycheck calculator · Illinois minimum wage