Highest City of Decatur employee salary in year 2023 was $195,844. City of Decatur employees number in year 2023 was 261. City of Decatur average salary was $56,674 and median salary was $55,612. According to the last payroll, City of Decatur average salary is 24 percent lower than USA average and 10 percent lower than Illinois state average. City of Decatur employee salaries are usually between $43,675 and $68,983. Top 10% of highest-earning employees have salaries ranging from $90,491 to $195,844.