Highest salary at County Of Roseau in year 2018 was $108,533. Number of employees at County Of Roseau in year 2018 was 159. Average annual salary was $45,490 and median salary was $50,232. County Of Roseau average salary is 3 percent lower than USA average and median salary is 16 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 7.3 percent, the median salary increased 8.3 percent.