The average custodial salary at Dimmitt Isd was $22,413 , which is 15 percent lower than the average salary for this job in Texas, and 32 percent lower than the national average for this job . Custodial salaries at Dimmitt Isd typically range from $18,741 to $25,022 (25th to 75th percentile). The highest reported custodial salary was $29,682. There are 14 employees at Dimmitt Isd with the job title custodial.