Highest salary at Pettis County in year 2024 was $148,493. Number of employees at Pettis County in year 2024 was 200. Average annual salary was $42,035 and median salary was $43,190. Pettis County average salary is 10 percent lower than USA average and median salary is 1 percent lower than USA median salary. From 2023 to 2024, the average salary of employees at this employer increased 1.9 percent, the median salary increased 8.2 percent.