Highest salary at Closter Borough in year 2018 was $191,994. Number of employees at Closter Borough in year 2018 was 71. Average annual salary was $82,277 and median salary was $72,492. Closter Borough average salary is 76 percent higher than USA average and median salary is 67 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 15.0 percent, the median salary increased 20.9 percent.