Highest salary at Lasalle County in year 2016 was $153,452. Number of employees at Lasalle County in year 2016 was 565. Average annual salary was $43,169 and median salary was $42,078. Lasalle County average salary is 8 percent lower than USA average and median salary is 3 percent lower than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 0.5 percent, the median salary increased 0.9 percent.