Highest salary at Pierce County in year 2022 was $73,500. Number of employees at Pierce County in year 2022 was 72. Average annual salary was $32,789 and median salary was $35,825. Pierce County average salary is 30 percent lower than USA average and median salary is 18 percent lower than USA median salary. From 2021 to 2022, the average salary of employees at this employer increased 7.5 percent, the median salary increased 12.7 percent.