Highest salary at Leavenworth in year 2017 was $152,756. Number of employees at Leavenworth in year 2017 was 312. Average annual salary was $54,464 and median salary was $51,705. Leavenworth average salary is 16 percent higher than USA average and median salary is 19 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 1.2 percent, the median salary increased 1.9 percent.