Highest salary at Colfax County in year 2020 was $93,473. Number of employees at Colfax County in year 2020 was 81. Average annual salary was $32,422 and median salary was $36,273. Colfax County average salary is 31 percent lower than USA average and median salary is 17 percent lower than USA median salary. From 2019 to 2020, the median salary increased 9.5 percent.