The average secretary salary at Mustang Ms was $22,843 , which is 16 percent lower than the average salary for this job in Oklahoma, and 67 percent lower than the national average for this job . Secretary salaries at Mustang Ms typically range from $18,240 to $26,348 (25th to 75th percentile). The highest reported secretary salary was $26,348. There are 3 employees at Mustang Ms with the job title secretary.