Highest salary at Southold Ufsd in year 2018 was $118,752. Number of employees at Southold Ufsd in year 2018 was 79. Average annual salary was $32,870 and median salary was $31,776. Southold Ufsd average salary is 30 percent lower than USA average and median salary is 27 percent lower than USA median salary. From 2017 to 2018, the median salary increased 7.8 percent.