Highest salary at City Of Colona in year 2016 was $72,517. Number of employees at City Of Colona in year 2016 was 25. Average annual salary was $26,311 and median salary was $27,060. City Of Colona average salary is 44 percent lower than USA average and median salary is 38 percent lower than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 12.7 percent, the median salary increased 6.9 percent.