Highest City Of St Clair employee salary in year 2017 was $63,630. City Of St Clair employees number in year 2017 was 37. City Of St Clair average salary was $28,735 and median salary was $29,869. According to the last payroll, City Of St Clair average salary is 62 percent lower than USA average and 44 percent lower than Missouri state average. City Of St Clair employee salaries are usually between $11,077 and $42,907. Top 10% of highest-earning employees have salaries ranging from $56,413 to $63,630.