Highest salary at Kennebec County in year 2024 was $127,174. Number of employees at Kennebec County in year 2024 was 146. Average annual salary was $52,135 and median salary was $54,412. Kennebec County average salary is 11 percent higher than USA average and median salary is 25 percent higher than USA median salary. From 2023 to 2024, the average salary of employees at this employer increased 15.4 percent, the median salary increased 25.7 percent.