Quick answer
Teaching Assistants in Illinois earned a median of $36,990 a year (— an hour) in May 2025, 1% above the national median of $36,780; 64,210 were employed there, ranking #22 of 54 states and territories by median pay, per BLS OEWS.
Data as of May 2025. Source: U.S. Bureau of Labor Statistics, OEWS May 2025
| Measure | Illinois | United States |
|---|---|---|
| Median annual wage | $36,990 | $36,780 |
| Mean annual wage | $38,950 | $38,290 |
| Median hourly wage | — | — |
| 10th percentile | $31,200 | $27,150 |
| 25th percentile | $31,360 | $31,060 |
| 75th percentile | $44,790 | $45,360 |
| 90th percentile | $48,100 | $50,040 |
| Employment | 64,210 | 1,420,350 |
| Jobs per 1,000 | 10.529 | — |
| Location quotient | 1.15 | 1.00 |
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Last updated 2026-10-16. Data only, not financial or tax advice.