Custodial Supervisor salary at Mercer County

The average custodial supervisor salary at Mercer County was $22,882 , which is 50 percent lower than the average salary for this job in Kentucky, and 52 percent lower than the national average for this job . Custodial Supervisor salaries at Mercer County typically range from $23,366 to $25,459 (25th to 75th percentile). The highest reported custodial supervisor salary was $27,821. There are 6 employees at Mercer County with the job title custodial supervisor.