Highest salary at Pierce County in year 2023 was $76,288. Number of employees at Pierce County in year 2023 was 72. Average annual salary was $34,950 and median salary was $38,032. Pierce County average salary is 25 percent lower than USA average and median salary is 13 percent lower than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 6.6 percent, the median salary increased 6.2 percent.