The average clerk salary at Lyon County was $31,815 , which is 3 percent lower than the average salary for this job in Kansas, and 18 percent lower than the national average for this job . Clerk salaries at Lyon County typically range from $31,157 to $39,090 (25th to 75th percentile). The highest reported clerk salary was $47,287. There are 5 employees at Lyon County with the job title clerk.