Network and Computer Systems Administrators salary in Illinois
Network and Computer Systems Administrators in Illinois earn a median of $100,080 a year ($48.12 an hour), based on BLS data for 9,820 workers.
Pay ranges from $65,650 for the lowest-paid 10% to $157,800 for the top 10%. That is 1% higher than the national median of $99,130. Illinois ranks 18th of 51 states for network and computer systems administrators pay. There are 1.6 network and computer systems administrators per 1,000 jobs here — the job is less common than nationally (location quotient 0.80). The average (mean) salary is $105,450, above the median because a few high earners pull it up.
Pay range for network and computer systems administrators in Illinois
| Pay level | Yearly | Hourly |
|---|---|---|
| 10th percentile (entry level) | $65,650 | $31.56 |
| 25th percentile | $79,520 | $38.23 |
| Median | $100,080 | $48.12 |
| 75th percentile | $128,790 | $61.92 |
| 90th percentile (top earners) | $157,800 | $75.86 |
| Average (mean) | $105,450 | $50.70 |
Half of network and computer systems administrators earn more than the median and half earn less. Percentiles show the spread: 10% earn less than the 10th percentile, and 10% earn more than the 90th.
Median paycheck, before taxes
| Pay period | Amount |
|---|---|
| Monthly | $8,340 |
| Semi-monthly (24 a year) | $4,170 |
| Biweekly (26 a year) | $3,849.23 |
| Weekly | $1,924.62 |
| Hourly | $48.12 |
Based on a full-time year of 2,080 hours. Convert any amount with the hourly to salary converter.
Network and Computer Systems Administrators salary in cities in Illinois
| Metro area | Median salary | Workers |
|---|---|---|
| Springfield, IL | $110,600 | 520 |
| Chicago-Naperville-Elgin, IL-IN | $103,170 | 6,950 |
| Peoria, IL | $102,630 | 330 |
| Bloomington, IL | $97,580 | 140 |
| Decatur, IL | $94,700 | 50 |
| Rockford, IL | $92,260 | 170 |
| St. Louis, MO-IL | $88,940 | 2,840 |
| Champaign-Urbana, IL | $85,080 | 180 |
| Davenport-Moline-Rock Island, IA-IL | $83,820 | 300 |
| Kankakee, IL | $79,310 | 50 |
| Paducah, KY-IL | $78,690 | 50 |
Highest-paying states for network and computer systems administrators
| State | Median salary |
|---|---|
| Maryland | $118,290 |
| New Jersey | $116,420 |
| Massachusetts | $110,980 |
| District of Columbia | $110,970 |
| Virginia | $109,610 |
| California | $106,440 |
| Connecticut | $105,880 |
| New York | $105,810 |
| Washington | $103,910 |
| Nevada | $103,440 |
See Network and Computer Systems Administrators pay in every state.
Related jobs in Illinois
| Job | Median salary | Hourly |
|---|---|---|
| Software Developer | $132,110 | $63.52 |
| Computer User Support Specialist | $59,860 | $28.78 |
| Computer Systems Analyst | $101,570 | $48.83 |
| Computer Occupations, All Other | $99,360 | $47.77 |
| Computer Network Architect | $132,790 | $63.84 |
| Computer Network Support Specialist | $68,530 | $32.95 |
| Software Quality Assurance Analysts and Testers | $104,910 | $50.44 |
| Information Security Analyst | $124,180 | $59.70 |
| Web Developer | $84,820 | $40.78 |
| Database Administrator | $104,650 | $50.31 |
| Web and Digital Interface Designers | $85,710 | $41.21 |
| Database Architect | $142,500 | $68.51 |
| Computer Programmer | $72,540 | $34.88 |
| Computer and Information Research Scientists | $136,540 | $65.64 |
More: Computer and Mathematical Occupations · all salaries in Illinois
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates, occupation code 15-1244. Wages include base pay, tips, commissions and shift pay, but not overtime, bonuses or benefits, and exclude the self-employed.
Frequently asked questions
How much does a network and computer systems administrators make in Illinois?
The median salary for network and computer systems administrators in Illinois is $100,080 a year, or $48.12 an hour. Pay ranges from $65,650 for the lowest-paid 10% to $157,800 for the top 10%.
How much do the highest-paid network and computer systems administrators make in Illinois?
The top 10% of network and computer systems administrators in Illinois earn at least $157,800 a year. The top 25% earn $128,790 or more.
What is the starting pay for network and computer systems administrators in Illinois?
Entry-level pay (the 10th percentile) is about $65,650 a year, and a quarter of network and computer systems administrators earn $79,520 or less.
How many network and computer systems administrators work in Illinois?
About 9,820 network and computer systems administrators are employed in Illinois, not counting the self-employed.