Highest salary at Sangamon County in year 2016 was $172,673. Number of employees at Sangamon County in year 2016 was 738. Average annual salary was $46,573 and median salary was $43,861. Sangamon County average salary is 1 percent lower than USA average and median salary is 1 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 5.8 percent, the median salary increased 6.5 percent.