Highest salary at Sussex County in year 2024 was $181,250. Number of employees at Sussex County in year 2024 was 495. Average annual salary was $62,654 and median salary was $52,928. Sussex County average salary is 34 percent higher than USA average and median salary is 22 percent higher than USA median salary. From 2023 to 2024, the average salary of employees at this employer increased 7.4 percent, the median salary increased 6.2 percent.