Highest salary at City of Alto in year 2019 was $56,598. Number of employees at City of Alto in year 2019 was 20. Average annual salary was $25,923 and median salary was $25,172. City of Alto average salary is 45 percent lower than USA average and median salary is 42 percent lower than USA median salary. From 2018 to 2019, the average salary of employees at this employer increased 10.0 percent, the median salary increased 1.8 percent.