Highest City of Slater employee salary in year 2017 was $78,653. City of Slater employees number in year 2017 was 47. City of Slater average salary was $8,582 and median salary was $1,907. According to the last payroll, City of Slater average salary is 89 percent lower than USA average and 82 percent lower than Iowa state average. City of Slater employee salaries are usually between $1,103 and $6,542. Top 10% of highest-earning employees have salaries ranging from $39,625 to $78,653.