Highest salary at City of Eureka in year 2020 was $125,694. Number of employees at City of Eureka in year 2020 was 74. Average annual salary was $51,081 and median salary was $55,850. City of Eureka average salary is 9 percent higher than USA average and median salary is 28 percent higher than USA median salary. From 2019 to 2020, the median salary increased 3.3 percent.