The average custodial salary at Dilley Isd was $19,269 , which is 27 percent lower than the average salary for this job in Texas, and 42 percent lower than the national average for this job . Custodial salaries at Dilley Isd typically range from $17,341 to $21,019 (25th to 75th percentile). The highest reported custodial salary was $21,466. There are 12 employees at Dilley Isd with the job title custodial.