Highest salary at Hutto Isd in year 2016 was $170,171. Number of employees at Hutto Isd in year 2016 was 861. Average annual salary was $39,159 and median salary was $45,000. Hutto Isd average salary is 16 percent lower than USA average and median salary is 3 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 2.3 percent, the median salary increased 2.2 percent.