Highest salary at Ontario in year 2014 was $167,168. Number of employees at Ontario in year 2014 was 1,228. Average annual salary was $46,502 and median salary was $46,974. Ontario average salary is 1 percent lower than USA average and median salary is 8 percent higher than USA median salary. From 2013 to 2014, the average salary of employees at this employer increased 0.5 percent, the median salary increased 0.5 percent.