How much does a Police Investigator make in Marshall, MO? (2025)
As of August 01, 2025, Police Investigators in Marshall, MO earn an average annual salary of $74,633 with an hourly rate of $36. Salary ranges from $60,700 (10th percentile) to $96,356 (90th percentile), with the majority earning between $67,340 (25th percentile) and $86,003 (75th percentile). Compensation varies based on experience, skills, company size, and local market factors - all explored below.