Highest salary at County Of Mono in year 2018 was $168,299. Number of employees at County Of Mono in year 2018 was 266. Average annual salary was $60,566 and median salary was $54,463. County Of Mono average salary is 29 percent higher than USA average and median salary is 25 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 5.0 percent, the median salary increased 4.2 percent.