Highest salary at Somerset County in year 2021 was $100,096. Number of employees at Somerset County in year 2021 was 85. Average annual salary was $48,118 and median salary was $50,871. Somerset County average salary is 3 percent higher than USA average and median salary is 17 percent higher than USA median salary. From 2020 to 2021, the average salary of employees at this employer increased 8.0 percent, the median salary increased 6.4 percent.