The average cook salary at Osceola County was $2,645 , which is 94 percent lower than the average salary for this job in Michigan, and 93 percent lower than the national average for this job . Cook salaries at Osceola County typically range from $1,621 to $3,668 (25th to 75th percentile). The highest reported cook salary was $3,668. There are 3 employees at Osceola County with the job title cook.