Highest salary at Town of Alton in year 2024 was $124,879. Number of employees at Town of Alton in year 2024 was 64. Average annual salary was $67,511 and median salary was $62,111. Town of Alton average salary is 44 percent higher than USA average and median salary is 43 percent higher than USA median salary. From 2023 to 2024, the average salary of employees at this employer increased 21.8 percent, the median salary increased 14.5 percent.