Highest salary at City of Joliet in year 2019 was $231,663. Number of employees at City of Joliet in year 2019 was 505. Average annual salary was $70,497 and median salary was $71,334. City of Joliet average salary is 50 percent higher than USA average and median salary is 64 percent higher than USA median salary. From 2018 to 2019, the average salary of employees at this employer increased 5.6 percent, the median salary increased 7.5 percent.