Highest City Of Gardena employee salary in year 2018 was $283,471. City Of Gardena employees number in year 2018 was 437. City Of Gardena average salary was $67,216 and median salary was $62,877. According to the last payroll, City Of Gardena average salary is 10 percent lower than USA average and 27 percent lower than California state average. City Of Gardena employee salaries are usually between $45,716 and $88,587. Top 10% of highest-earning employees have salaries ranging from $97,726 to $283,471.