The median annual wage for Teaching Assistants, Except Postsecondary in Portland-Vancouver-Hillsboro, OR-WA is $38,060 (May 2024 BLS OES). The mean (average) is $40,830.
Pay spans roughly $29,570 at the 10th percentile to $51,650 at the 90th, so experience and specialisation move this figure a lot. An estimated 12,770 people work as teaching assistants, except postsecondary in Portland-Vancouver-Hillsboro, OR-WA.
| Median (annual) | $38,060 |
| Mean (annual) | $40,830 |
| Median (hourly) | — |
| 10th percentile | $29,570 |
| 90th percentile | $51,650 |
| Employment | 12,770 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.