The median annual wage for Teaching Assistants, Except Postsecondary in Lewiston, ID-WA is $35,790 (May 2024 BLS OES). The mean (average) is $37,550.
Pay spans roughly $23,870 at the 10th percentile to $47,670 at the 90th, so experience and specialisation move this figure a lot. An estimated 360 people work as teaching assistants, except postsecondary in Lewiston, ID-WA.
| Median (annual) | $35,790 |
| Mean (annual) | $37,550 |
| Median (hourly) | — |
| 10th percentile | $23,870 |
| 90th percentile | $47,670 |
| Employment | 360 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.