The average museum curator salary at Ontario was $71,022 , which is 14 percent lower than the average salary for this job in California, but 25 percent higher than the national average for this job . Museum Curator salaries at Ontario typically range from $38,923 to $103,120 (25th to 75th percentile). The highest reported museum curator salary was $105,911. There are 4 employees at Ontario with the job title museum curator.