IT support specialist salary in Illinois after taxes
The median iT support specialist in Illinois earns $59,860 a year ($28.78 an hour). After 2026 taxes, that's about $47,459 a year, or $1,825.35 every two weeks.
Take-home pay at each pay level
| Pay level | Gross / year | Take-home / year | Per month | Every 2 weeks |
|---|---|---|---|---|
| 10th percentile | $40,440 | $32,817 | $2,735 | $1,262.17 |
| 25th percentile | $47,190 | $37,906 | $3,159 | $1,457.92 |
| Median | $59,860 | $47,459 | $3,955 | $1,825.35 |
| 75th percentile | $76,660 | $59,110 | $4,926 | $2,273.48 |
| 90th percentile | $96,040 | $71,785 | $5,982 | $2,760.96 |
The 10th percentile means 10% of computer user support specialists in Illinois earn less than this. New hires usually start near the 10th–25th percentile.
Your exact paycheck
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IT support specialist take-home pay in other states
Illinois ranks #17 of 20 of the states we cover for median iT support specialist take-home pay.
| State | Median gross | Take-home / year |
|---|---|---|
| Washington | $75,220 | $60,704 |
| California | $79,570 | $60,303 |
| Massachusetts | $75,070 | $57,863 |
| New York | $72,560 | $56,177 |
| Wyoming | $65,100 | $54,488 |
| Alaska | $63,110 | $52,889 |
| Virginia | $65,040 | $51,514 |
| New Jersey | $64,470 | $51,294 |
| New Hampshire | $60,660 | $50,920 |
| Texas | $59,490 | $49,980 |
| Florida | $58,740 | $49,378 |
| Ohio | $59,720 | $48,761 |
| Nevada | $57,870 | $48,679 |
| North Carolina | $60,120 | $48,536 |
| Georgia | $60,440 | $48,476 |
| Pennsylvania | $58,670 | $47,520 |
| Illinois | $59,860 | $47,459 |
| Tennessee | $55,990 | $47,168 |
| Michigan | $56,240 | $45,229 |
| South Dakota | $48,260 | $40,957 |
Questions
How much does a iT support specialist make in Illinois after taxes?
The median iT support specialist in Illinois earns $59,860 a year ($28.78 an hour) before tax, according to BLS data for May 2025. After 2026 federal and state taxes that's about $47,459 a year, $3,955 a month or $1,825.35 every two weeks for a single filer with no pre-tax deductions.
How many computer user support specialists work in Illinois?
About 26,060, according to the BLS May 2025 estimates.
Wages: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025, statewide, all industries. BLS wages include tips and commissions, not overtime premiums or benefits. Take-home uses 2026 tax rules for a single filer paid every two weeks with W-4 defaults and no pre-tax deductions.
Sources
- BLS Occupational Employment and Wage Statistics, May 2025 (state data)
- IRS Publication 15-T (2026), Worksheet 1A and Annual Percentage Method tables
- SSA: 2026 Social Security wage base ($184,500)
- Illinois Department of Revenue, IL-700-T (2026)
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