Highest salary at Senate in year 2018 was $269,218. Number of employees at Senate in year 2018 was 662. Average annual salary was $40,730 and median salary was $36,756. Senate average salary is 13 percent lower than USA average and median salary is 15 percent lower than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 15.2 percent, the median salary increased 21.7 percent.