Salaries › Postsecondary Teaching Assistant › Illinois
Postsecondary Teaching Assistant Salary in Illinois (2026)
— per hour · take-home ≈ $29,354/year ($2,446/month) for a single filer
Illinois ranks 37th of 47 states for Postsecondary Teaching Assistant pay, with a median about 21% below the national average. Of the 12,340 Postsecondary Teaching Assistant jobs BLS counts in Illinois, the typical worker earns $36,040 a year — though pay ranges from $31,850 for newcomers to $96,230 at the top.
Postsecondary Teaching Assistant pay range in Illinois
| Percentile | Annual wage | Meaning |
| 10th percentile (entry) | $31,850 | Lowest-paid 10% earn less than this |
| 25th percentile | $35,280 | A quarter earn less |
| Median (50th) | $36,040 | Half earn more, half earn less |
| 75th percentile | $59,580 | Top quarter starts here |
| 90th percentile (top) | $96,230 | Highest-paid 10% earn more than this |
BLS reports 12,340 Postsecondary Teaching Assistant jobs in Illinois (occupation code 25-9044, “Teaching Assistants, Postsecondary”).
Gross vs. take-home in Illinois
A median Postsecondary Teaching Assistant salary of $36,040 doesn’t all reach your bank account. After federal income tax, Social Security, and Medicare, plus Illinois state income tax, a single filer keeps about $29,354 — an effective tax rate of 18.6%.
| Gross (median) | $36,040 |
| Federal income tax | −$2,145 |
| Social Security + Medicare | −$2,757 |
| Illinois state income tax | −$1,784 |
| Take-home (annual) | $29,354 |
| Take-home (monthly) | $2,446 |
Want your exact numbers — married, 401(k), different salary? Use the free Illinois paycheck calculator on PaycheckTally.
Frequently asked questions
- How much does a Postsecondary Teaching Assistant make in Illinois?
- The median Postsecondary Teaching Assistant salary in Illinois is $36,040 per year (— per hour) according to the latest BLS data. The middle 50% earn between $35,280 and $59,580.
- What is the take-home pay for a Postsecondary Teaching Assistant in Illinois?
- On the median salary of $36,040, a single filer in Illinois takes home about $29,354 per year ($2,446 per month) after federal tax, FICA, and state income tax — an effective tax rate of 18.6%.
- How many Postsecondary Teaching Assistant jobs are there in Illinois?
- BLS counts 12,340 Postsecondary Teaching Assistant jobs in Illinois in the latest survey (May 2025).
Top-paying states for Postsecondary Teaching Assistants
Other salaries in Illinois
Sources and methodology
Wage and employment figures: BLS OEWS May 2025 (state file, released April 2026) — the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics survey, the most authoritative public salary dataset. Take-home estimate: 2026 federal brackets, FICA, and verified Illinois state tax rules (single filer, standard deduction, no credits or local taxes). Estimates only — not financial advice.
- BLS OEWS — official occupational wage data.
- PaycheckTally — interactive 2026 take-home calculator for Illinois.