Highest salary at Essex in year 2024 was $200,355. Number of employees at Essex in year 2024 was 534. Average annual salary was $48,542 and median salary was $50,142. Essex average salary is 4 percent higher than USA average and median salary is 15 percent higher than USA median salary. From 2023 to 2024, the average salary of employees at this employer increased 4.8 percent, the median salary increased 2.4 percent.