Custodian salary at Supreme Court of Illinois

The average custodian salary at Supreme Court of Illinois was $33,031 , which is 36 percent lower than the average salary for this job in Illinois, and 53 percent lower than the national average for this job . Custodian salaries at Supreme Court of Illinois typically range from $28,273 to $38,085 (25th to 75th percentile). The highest reported custodian salary was $41,625. There are 8 employees at Supreme Court of Illinois with the job title custodian.