Highest salary at Thurston County in year 2022 was $90,351. Number of employees at Thurston County in year 2022 was 88. Average annual salary was $34,600 and median salary was $38,212. Thurston County average salary is 26 percent lower than USA average and median salary is 12 percent lower than USA median salary. From 2021 to 2022, the average salary of employees at this employer increased 21.3 percent, the median salary increased 15.2 percent.