Library Assistant salary at Ontario

The average library assistant salary at Ontario was $27,596 , which is 54 percent lower than the average salary for this job in California, and 22 percent lower than the national average for this job . Library Assistant salaries at Ontario typically range from $22,741 to $32,956 (25th to 75th percentile). The highest reported library assistant salary was $36,908. There are 13 employees at Ontario with the job title library assistant.