Highest salary at Spearville in year 2018 was $104,679. Number of employees at Spearville in year 2018 was 35. Average annual salary was $54,723 and median salary was $51,300. Spearville average salary is 17 percent higher than USA average and median salary is 18 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 3.8 percent, the median salary increased 4.0 percent.