Public Aid Investigator salary at Illinois Department of Human Services

The average public aid investigator salary at Illinois Department of Human Services was $76,286 , which is 9 percent lower than the average salary for this job in Illinois, and 9 percent lower than the national average for this job . Public Aid Investigator salaries at Illinois Department of Human Services typically range from $69,523 to $84,116 (25th to 75th percentile). The highest reported public aid investigator salary was $98,788. There are 14 employees at Illinois Department of Human Services with the job title public aid investigator.