The average police sergeant salary at Downey was $268,974 , which is 5 percent lower than the average salary for this job in California, but 121 percent higher than the national average for this job . Police Sergeant salaries at Downey typically range from $250,171 to $290,104 (25th to 75th percentile). The highest reported police sergeant salary was $318,788. There are 17 employees at Downey with the job title police sergeant.