The average custodial salary at Yoakum Isd was $21,235 , which is 19 percent lower than the average salary for this job in Texas, and 36 percent lower than the national average for this job . Custodial salaries at Yoakum Isd typically range from $19,450 to $22,205 (25th to 75th percentile). The highest reported custodial salary was $27,144. There are 20 employees at Yoakum Isd with the job title custodial.