Highest salary at Columbia County in year 2023 was $182,874. Number of employees at Columbia County in year 2023 was 252. Average annual salary was $68,156 and median salary was $66,090. Columbia County average salary is 45 percent higher than USA average and median salary is 52 percent higher than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 10.0 percent, the median salary increased 8.7 percent.