Highest salary at Flinthills in year 2017 was $82,508. Number of employees at Flinthills in year 2017 was 25. Average annual salary was $52,205 and median salary was $53,258. Flinthills average salary is 11 percent higher than USA average and median salary is 22 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 2.8 percent, the median salary increased 3.3 percent.