Highest City Of O Fallon employee salary in year 2023 was $159,550. City Of O Fallon employees number in year 2023 was 188. City Of O Fallon average salary was $57,900 and median salary was $63,954. According to the last payroll, City Of O Fallon average salary is 23 percent lower than USA average and 8 percent lower than Illinois state average. City Of O Fallon employee salaries are usually between $39,749 and $78,377. Top 10% of highest-earning employees have salaries ranging from $85,653 to $159,550.
