Highest salary at Pierce County in year 2024 was $79,250. Number of employees at Pierce County in year 2024 was 76. Average annual salary was $35,363 and median salary was $35,323. Pierce County average salary is 25 percent lower than USA average and median salary is 19 percent lower than USA median salary. From 2023 to 2024, the average salary of employees at this employer increased 1.2 percent.