Highest City Of Williams employee salary in year 2018 was $104,040. City Of Williams employees number in year 2018 was 37. City Of Williams average salary was $55,330 and median salary was $52,454. According to the last payroll, City Of Williams average salary is 26 percent lower than USA average and 40 percent lower than California state average. City Of Williams employee salaries are usually between $42,578 and $64,260. Top 10% of highest-earning employees have salaries ranging from $89,970 to $104,040.