Highest salary at Lake Grove in year 2010 was $90,096. Number of employees at Lake Grove in year 2010 was 28. Average annual salary was $45,463 and median salary was $47,021. Lake Grove average salary is 3 percent lower than USA average and median salary is 8 percent higher than USA median salary. From 2009 to 2010, the average salary of employees at this employer increased 3.8 percent, the median salary increased 3.1 percent.