Highest salary at City of Warrenton in year 2020 was $141,136. Number of employees at City of Warrenton in year 2020 was 72. Average annual salary was $43,609 and median salary was $43,947. City of Warrenton average salary is 7 percent lower than USA average and median salary is 1 percent higher than USA median salary. From 2019 to 2020, the average salary of employees at this employer increased 6.8 percent, the median salary increased 10.1 percent.