Teaching assistant salary in Illinois after taxes
The median teaching assistant in Illinois earns $36,990 a year. After 2026 taxes, that's about $30,215 a year, or $1,162.12 every two weeks.
Take-home pay at each pay level
| Pay level | Gross / year | Take-home / year | Per month | Every 2 weeks |
|---|---|---|---|---|
| 10th percentile | $31,200 | $25,850 | $2,154 | $994.21 |
| 25th percentile | $31,360 | $25,970 | $2,164 | $998.85 |
| Median | $36,990 | $30,215 | $2,518 | $1,162.12 |
| 75th percentile | $44,790 | $36,096 | $3,008 | $1,388.32 |
| 90th percentile | $48,100 | $38,592 | $3,216 | $1,484.31 |
The 10th percentile means 10% of teaching assistants in Illinois earn less than this. New hires usually start near the 10th–25th percentile.
Your exact paycheck
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Teaching assistant take-home pay in other states
Illinois ranks #11 of 20 of the states we cover for median teaching assistant take-home pay.
| State | Median gross | Take-home / year |
|---|---|---|
| Washington | $49,120 | $40,967 |
| California | $46,490 | $38,004 |
| New Hampshire | $38,440 | $33,067 |
| Alaska | $37,190 | $32,062 |
| Massachusetts | $39,380 | $31,992 |
| Virginia | $38,520 | $31,730 |
| New York | $38,240 | $31,209 |
| Wyoming | $36,100 | $31,186 |
| New Jersey | $37,290 | $31,177 |
| Ohio | $35,920 | $30,349 |
| Illinois | $36,990 | $30,215 |
| Florida | $34,430 | $29,845 |
| Michigan | $35,110 | $29,149 |
| Pennsylvania | $34,740 | $29,027 |
| Nevada | $31,900 | $27,812 |
| Texas | $29,850 | $26,164 |
| Tennessee | $29,210 | $25,650 |
| North Carolina | $29,790 | $25,414 |
| South Dakota | $28,220 | $24,849 |
| Georgia | $28,770 | $24,610 |
Questions
How much does a teaching assistant make in Illinois after taxes?
The median teaching assistant in Illinois earns $36,990 a year before tax, according to BLS data for May 2025. After 2026 federal and state taxes that's about $30,215 a year, $2,518 a month or $1,162.12 every two weeks for a single filer with no pre-tax deductions.
How many teaching assistants work in Illinois?
About 64,210, 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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