Highest salary at County Of Plumas in year 2016 was $168,000. Number of employees at County Of Plumas in year 2016 was 375. Average annual salary was $47,743 and median salary was $43,888. County Of Plumas average salary is 2 percent higher than USA average and median salary is 1 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 4.4 percent.