The average aide salary at Colfax was $17,883 , which is 46 percent lower than the average salary for this job in Washington, and 45 percent lower than the national average for this job . Aide salaries at Colfax typically range from $16,099 to $18,373 (25th to 75th percentile). The highest reported aide salary was $22,969. There are 9 employees at Colfax with the job title aide.