The average police cadet salary at Corona was $16,820 , which is 28 percent lower than the average salary for this job in California, and 33 percent lower than the national average for this job . Police Cadet salaries at Corona typically range from $17,571 to $17,817 (25th to 75th percentile). The highest reported police cadet salary was $19,882. There are 10 employees at Corona with the job title police cadet.