The average bus aide salary at Bismarck 1 was $16 , which is 7 percent higher than the average salary for this job in North Dakota, but 100 percent lower than the national average for this job . Bus Aide salaries at Bismarck 1 typically range from $14 to $15 (25th to 75th percentile). The highest reported bus aide salary was $20. There are 16 employees at Bismarck 1 with the job title bus aide.