The average sheriff salary at Ontario was $80,808 , which is 28 percent lower than the average salary for this job in New York, and 1 percent lower than the national average for this job . Sheriff salaries at Ontario typically range from $69,411 to $94,624 (25th to 75th percentile). The highest reported sheriff salary was $113,806. There are 57 employees at Ontario with the job title sheriff.