The median annual wage for Private Detectives and Investigators in Trenton-Princeton, NJ is $55,230 (May 2024 BLS OES). The mean (average) is $59,240.
Pay spans roughly $40,160 at the 10th percentile to $95,350 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $26.55 per hour. An estimated 40 people work as private detectives and investigators in Trenton-Princeton, NJ.
| Median (annual) | $55,230 |
| Mean (annual) | $59,240 |
| Median (hourly) | $26.55 |
| 10th percentile | $40,160 |
| 90th percentile | $95,350 |
| Employment | 40 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.