Highest salary at City of Cooper in year 2020 was $57,113. Number of employees at City of Cooper in year 2020 was 17. Average annual salary was $29,322 and median salary was $28,674. City of Cooper average salary is 37 percent lower than USA average and median salary is 34 percent lower than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 19.6 percent, the median salary increased 11.3 percent.