Highest City of Onamia employee salary in year 2020 was $62,509. City of Onamia employees number in year 2020 was 33. City of Onamia average salary was $8,422 and median salary was $995. According to the last payroll, City of Onamia average salary is 89 percent lower than USA average and 87 percent lower than Minnesota state average. City of Onamia employee salaries are usually between $518 and $3,074. Top 10% of highest-earning employees have salaries ranging from $45,836 to $62,509.