Highest Millville City employee salary in year 2018 was $143,832. Millville City employees number in year 2018 was 197. Millville City average salary was $58,854 and median salary was $56,498. According to the last payroll, Millville City average salary is 21 percent lower than USA average and 21 percent lower than New Jersey state average. Millville City employee salaries are usually between $38,475 and $80,460. Top 10% of highest-earning employees have salaries ranging from $92,534 to $143,832. From 2017 to 2018, the average salary of employees at this employer increased 1.9 percent, the median salary increased 0.3 percent.