The average custodian salary at Jackson Es was $25,879 , which is 2 percent lower than the average salary for this job in Oklahoma, and 64 percent lower than the national average for this job . Custodian salaries at Jackson Es typically range from $24,335 to $26,790 (25th to 75th percentile). The highest reported custodian salary was $26,790. There are 3 employees at Jackson Es with the job title custodian.