Highest City Of Eureka employee salary in year 2018 was $155,770. City Of Eureka employees number in year 2018 was 207. City Of Eureka average salary was $48,447 and median salary was $45,420. According to the last payroll, City Of Eureka average salary is 35 percent lower than USA average and 50 percent lower than California state average. City Of Eureka employee salaries are usually between $37,148 and $62,160. Top 10% of highest-earning employees have salaries ranging from $75,748 to $155,770. From 2017 to 2018, the median salary increased 0.4 percent.