The average cashier salary at Duncan Ms was $15,235 , which is 166 percent higher than the average salary for this job in Oklahoma, but 66 percent lower than the national average for this job . Cashier salaries at Duncan Ms typically range from $11,507 to $18,963 (25th to 75th percentile). The highest reported cashier salary was $22,126. There are 4 employees at Duncan Ms with the job title cashier.