Highest salary at Benton County in year 2023 was $230,024. Number of employees at Benton County in year 2023 was 747. Average annual salary was $57,983 and median salary was $57,075. Benton County average salary is 24 percent higher than USA average and median salary is 31 percent higher than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 10.5 percent, the median salary increased 11.4 percent.