Highest salary at Sangamon County in year 2019 was $155,487. Number of employees at Sangamon County in year 2019 was 742. Average annual salary was $46,529 and median salary was $43,570. Sangamon County average salary is 1 percent lower than USA average and median salary is the same as USA median salary. From 2018 to 2019, the average salary of employees at this employer increased 0.5 percent, the median salary increased 0.7 percent.