Highest salary at City of Colona in year 2022 was $76,893. Number of employees at City of Colona in year 2022 was 17. Average annual salary was $37,001 and median salary was $40,368. City of Colona average salary is 21 percent lower than USA average and median salary is 7 percent lower than USA median salary. From 2021 to 2022, the average salary of employees at this employer increased 1.9 percent, the median salary increased 9.3 percent.