Highest salary at Maryland 529 in year 2022 was $128,000. Number of employees at Maryland 529 in year 2022 was 22. Average annual salary was $54,500 and median salary was $57,500. Maryland 529 average salary is 16 percent higher than USA average and median salary is 32 percent higher than USA median salary. From 2021 to 2022, the median salary increased 33.7 percent.