Highest City Of Manteca employee salary in year 2018 was $183,570. City Of Manteca employees number in year 2018 was 379. City Of Manteca average salary was $74,066 and median salary was $67,758. According to the last payroll, City Of Manteca average salary is 1 percent lower than USA average and 24 percent lower than California state average. City Of Manteca employee salaries are usually between $53,367 and $94,584. Top 10% of highest-earning employees have salaries ranging from $113,164 to $183,570. From 2017 to 2018, the average salary of employees at this employer increased 4.7 percent, the median salary increased 4.9 percent.