Investigator salary at Office of the Executive Inspector General

The average investigator salary at Office of the Executive Inspector General was $83,812 , which is 10 percent higher than the average salary for this job in Illinois, and 28 percent higher than the national average for this job . Investigator salaries at Office of the Executive Inspector General typically range from $86,443 to $92,822 (25th to 75th percentile). The highest reported investigator salary was $102,272. There are 23 employees at Office of the Executive Inspector General with the job title investigator.