Highest salary at Charlton in year 2011 was $50,432. Number of employees at Charlton in year 2011 was 16. Average annual salary was $24,268 and median salary was $20,808. Charlton average salary is 48 percent lower than USA average and median salary is 52 percent lower than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 6.5 percent.