Background Investigator salary at Maricopa County

The average background investigator salary at Maricopa County was $53,444 , which is 5 percent higher than the average salary for this job in Arizona, and 16 percent higher than the national average for this job . Background Investigator salaries at Maricopa County typically range from $46,800 to $57,860 (25th to 75th percentile). The highest reported background investigator salary was $58,136. There are 7 employees at Maricopa County with the job title background investigator.