Highest salary at Portville in year 2011 was $53,203. Number of employees at Portville in year 2011 was 20. Average annual salary was $23,019 and median salary was $30,045. Portville average salary is 51 percent lower than USA average and median salary is 31 percent lower than USA median salary. From 2010 to 2011, the average salary of employees at this employer increased 2.5 percent, the median salary increased 8.0 percent.