Highest salary at Millbrook in year 2022 was $73,937. Number of employees at Millbrook in year 2022 was 13. Average annual salary was $38,334 and median salary was $28,777. Millbrook average salary is 18 percent lower than USA average and median salary is 34 percent lower than USA median salary. From 2021 to 2022, the average salary of employees at this employer increased 0.1 percent.