Investigator salary at Chicago Police Department

The average investigator salary at Chicago Police Department was $70,068 , which is 8 percent lower than the average salary for this job in Illinois, but 7 percent higher than the national average for this job . Investigator salaries at Chicago Police Department typically range from $66,978 to $73,158 (25th to 75th percentile). The highest reported investigator salary was $73,158. There are 2 employees at Chicago Police Department with the job title investigator.