Highest salary at Morrill County in year 2020 was $83,262. Number of employees at Morrill County in year 2020 was 79. Average annual salary was $27,079 and median salary was $28,537. Morrill County average salary is 42 percent lower than USA average and median salary is 34 percent lower than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 3.0 percent, the median salary increased 2.3 percent.