The average deputy salary at Knox County was $58,768 , which is 21 percent lower than the average salary for this job in Ohio, and 21 percent lower than the national average for this job . Deputy salaries at Knox County typically range from $58,317 to $63,840 (25th to 75th percentile). The highest reported deputy salary was $72,656. There are 10 employees at Knox County with the job title deputy.