Investigator salary at Police Department Of Mount Prospect

The average investigator salary at Police Department Of Mount Prospect was $98,897 , which is 30 percent higher than the average salary for this job in Illinois, and 51 percent higher than the national average for this job . Investigator salaries at Police Department Of Mount Prospect typically range from $96,902 to $100,673 (25th to 75th percentile). The highest reported investigator salary was $108,909. There are 9 employees at Police Department Of Mount Prospect with the job title investigator.