The average aide salary at Guernsey County was $21,540 , which is 22 percent lower than the average salary for this job in Ohio, and 33 percent lower than the national average for this job . Aide salaries at Guernsey County typically range from $12,509 to $29,099 (25th to 75th percentile). The highest reported aide salary was $35,157. There are 8 employees at Guernsey County with the job title aide.