Highest City Of Sunnyvale employee salary in year 2018 was $294,315. City Of Sunnyvale employees number in year 2018 was 889. City Of Sunnyvale average salary was $104,427 and median salary was $93,941. According to the last payroll, City Of Sunnyvale average salary is 40 percent higher than USA average and 7 percent higher than California state average. City Of Sunnyvale employee salaries are usually between $75,624 and $147,764. Top 10% of highest-earning employees have salaries ranging from $177,153 to $294,315. From 2017 to 2018, the average salary of employees at this employer increased 6.6 percent, the median salary increased 8.0 percent.