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 but 13 percent lower 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.