The average phoa salary at Maury County was $32,351 , which is 32 percent higher than the average salary for this job in Tennessee, and 32 percent higher than the national average for this job . Phoa salaries at Maury County typically range from $32,331 to $32,936 (25th to 75th percentile). The highest reported phoa salary was $32,936. There are 5 employees at Maury County with the job title phoa.