Forensic Investigator salary at St. Louis County

The average forensic investigator salary at St. Louis County was $64,387 , which is 2 percent lower than the average salary for this job in Missouri, and 5 percent lower than the national average for this job . Forensic Investigator salaries at St. Louis County typically range from $58,977 to $69,619 (25th to 75th percentile). The highest reported forensic investigator salary was $71,410. There are 8 employees at St. Louis County with the job title forensic investigator.