Highest salary at Johnsburg in year 2010 was $48,613. Number of employees at Johnsburg in year 2010 was 27. Average annual salary was $27,443 and median salary was $27,969. Johnsburg average salary is 41 percent lower than USA average and median salary is 36 percent lower than USA median salary. From 2009 to 2010, the average salary of employees at this employer increased 16.3 percent, the median salary increased 14.7 percent.