Highest salary at Town of Plymouth in year 2020 was $98,974. Number of employees at Town of Plymouth in year 2020 was 84. Average annual salary was $48,085 and median salary was $51,363. Town of Plymouth average salary is 3 percent higher than USA average and median salary is 18 percent higher than USA median salary. From 2019 to 2020, the median salary increased 1.2 percent.