The average buyer salary at Loudoun County was $86,427 , which is 44 percent higher than the average salary for this job in Virginia, and 56 percent higher than the national average for this job . Buyer salaries at Loudoun County typically range from $81,284 to $91,569 (25th to 75th percentile). The highest reported buyer salary was $91,568. There are 4 employees at Loudoun County with the job title buyer.