Highest Mill Valley employee salary in year 2023 was $338,842. Mill Valley employees number in year 2023 was 459. Mill Valley average salary was $48,794 and median salary was $6,407. According to the last payroll, Mill Valley average salary is 35 percent lower than USA average and 50 percent lower than California state average. Mill Valley employee salaries are usually between $1,953 and $92,256. Top 10% of highest-earning employees have salaries ranging from $151,265 to $338,842.