Highest salary at Southold Ufsd in year 2016 was $106,612. Number of employees at Southold Ufsd in year 2016 was 80. Average annual salary was $29,408 and median salary was $28,662. Southold Ufsd average salary is 37 percent lower than USA average and median salary is 34 percent lower than USA median salary. From 2015 to 2016, the median salary increased 4.1 percent.