The median annual wage for Private Detectives and Investigators in Missouri is $43,780 (May 2024 BLS OES). The mean (average) is $49,750.
Pay spans roughly $37,130 at the 10th percentile to $68,330 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $21.05 per hour. An estimated 450 people work as private detectives and investigators in Missouri.
| Median (annual) | $43,780 |
| Mean (annual) | $49,750 |
| Median (hourly) | $21.05 |
| 10th percentile | $37,130 |
| 90th percentile | $68,330 |
| Employment | 450 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.