Paycheck Atlas

Computer Systems Analysts salary in Illinois

The median computer systems analysts in Illinois earns $101,570 a year, 4% below the US median. After tax that is roughly $6,271 a month.

10th percentile
$60,770
25th percentile
$80,350
Median percentile
$101,570
75th percentile
$128,030
90th percentile
$144,790

Based on 20,610 employed. Data period: BLS OEWS May 2025. Percentiles show the spread of pay, not experience; reading the 25th percentile as "entry level" is only an approximation.

What you keep

$75,257 take-home a year
Gross pay$101,570
Federal income tax−$13,515
Social Security + Medicare−$7,770
Illinois income tax (approx.)−$5,028
Monthly take-home$6,271
Every two weeks$2,894

Does it go far here?

$101,613Median pay in Illinois is worth this at average US prices (local price level 100.0 vs 100).
20%of take-home pay goes to the median rent ($1,274 a month, Census ACS).

Top-paying jobs in Illinois

JobMedian pay
Surgeons, All Other$438,010
Chief Executives$331,920
Airline Pilots, Copilots, and Flight Engineers$293,490
Nurse Anesthetists$286,830
Ophthalmologists, Except Pediatric$284,630
Psychiatrists$258,740
Family Medicine Physicians$245,120
Emergency Medicine Physicians$239,200

All computer systems analysts salaries · Take-home pay in Illinois