Highest salary at Portville in year 2010 was $49,797. Number of employees at Portville in year 2010 was 18. Average annual salary was $22,449 and median salary was $27,821. Portville average salary is 52 percent lower than USA average and median salary is 36 percent lower than USA median salary. From 2009 to 2010, the average salary of employees at this employer increased 2.3 percent.