Highest salary at Ft Leavenworth in year 2018 was $119,149. Number of employees at Ft Leavenworth in year 2018 was 159. Average annual salary was $53,670 and median salary was $51,183. Ft Leavenworth average salary is 15 percent higher than USA average and median salary is 18 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 0.7 percent, the median salary increased 0.1 percent.