Highest salary at Isanti County in year 2021 was $141,018. Number of employees at Isanti County in year 2021 was 372. Average annual salary was $50,432 and median salary was $51,852. Isanti County average salary is 8 percent higher than USA average and median salary is 19 percent higher than USA median salary. From 2020 to 2021, the average salary of employees at this employer increased 6.1 percent, the median salary increased 6.1 percent.