Highest salary at Oxford County in year 2020 was $81,105. Number of employees at Oxford County in year 2020 was 84. Average annual salary was $44,211 and median salary was $48,400. Oxford County average salary is 6 percent lower than USA average and median salary is 11 percent higher than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 17.0 percent, the median salary increased 29.7 percent.